Is barium sulfate able to prevent radiation? The answer is: yes
Barium sulfate is widely used, and the most important of which is used to prepare ray shielding materials, it is the main component of barite barium sulfate can effectively shield ray, The safety of nuclear radiation has been the key to further development. Since the birth of nuclear technology has been rapid development in nuclear power, military, education, scientific research and medical and other fields, but the security is still an inevitable problem.As we know, the ordinary shielding materials, such as cement-based shielding material with low price, wide range of raw materials, easy construction and other characteristics,it is the most widely used ray protection materials currently. But the ordinary cement shield also has been its drawbacks with poor effect, high cost.


Barium sulfate radiation mortar can effectively shield radiation . The material is composed of cement-based cementitious materials, heavy aggregate and additives, with water after mixing a little auxiliary construction of nuclear anti-materials.It has a good ray shielding performance, mechanical properties and construction performance, in addition ,barium sulfate radiation mortar also has good water resistance and alkali corrosion characteristics.Because of these characteristics, the development of such materials have been taken seriously. However,high-density radiation-resistant mortar is prone to stratification, segregation and sagging, which is a common problem with such materials.


Barium sulfate is prepared by adding a binder material, aggregate, admixture and water to prepare mortar to be in line with barium sulfate radiation protection mortar. Wherein the aggregate consists of barium sulfate sand, quartz sand and barium sulfate powder; the admixture comprises a superplasticizer, a water retaining agent, an antifoaming agent and a dispersible latex powder. The mass ratio of each component is 23.8 ~ 30% of the total mass, 38.2 ~ 69.23% of the total aggregate, 0 ~ 31% of the total aggregate and 0.39% of the total mass, 1.16%.The barium sulfate radiation prepared by the above method has good mechanical properties, water resistance and construction performance, and has good shielding effect on γ-ray. At the same time, it has been proved by experiments that the construction performance has been solved well, and it has good shielding performance, mechanical properties and waterproof performance. By optimizing the composition can obtain a barium sulfate composites with highly shielded ray, but also broaden the application of barium sulfate, which make barium sulfate better protect human safety
What is barium sulfate powder coating?

Barium sulfate powder coating is a new solvent-free with 100% solid powder coating. It has two broad categories: thermoplastic powder coatings and thermosetting powder coatings. Paint is formed by the special resin, pigments and fillers, curing agents and other additives, in a certain proportion of mixing, and then hot extrusion and crushing and other processes prepared. They are at room temperature with stable storage, by electrostatic spraying or fluidized bed dip coating, and then heated baking melt curing, so that the formation of flat and bright permanent coating, to achieve the purpose of decoration and corrosion.

The characteristics of barium sulfate powder coating:

PART 01

The product is non-toxic, solvent-free and non-volatile toxic substances, so no poisoning, no fire, no "three wastes" emissions and other pollution problems, in full compliance with national environmental law requirements

PART 02

High utilization of raw materials, over-spray powder can be recycled, the utilization rate can reach 99% or more

PART 03

After the coating pretreatment, one-time construction, without primer, you can get a sufficient thickness of the coating, easy to achieve automated operation, high production efficiency, and can reduce costs

PART 04

Coating density, adhesion, impact strength and toughness are good, high corners coverage, with excellent resistance to chemical corrosion and electrical insulation properties.

PART 05

Powder coating easy storage, transportation safety and convenience.

Barium sulfate is the standard for measuring whiteness; barium carbonate is an important raw material for optical glass, which introduces BaO into the glass, thereby increasing the refractive index of the glass and improving other optical properties; used in ceramics to prepare glaze; Barium is an agricultural pesticide; barium nitrate used in fireworks and glass industry; barium permanganate is a green pigment. Precipitated barium sulfate is increasingly equipped with the characteristics of additives. In the production of special precipitation of barium sulfate, the key technologies such as precipitation, physical or chemical secondary treatment are adjusted to achieve the desired, from about a few tenths of a micron to a nanoparticle size distribution, to obtain an inorganic coating or Decentralized.


Barium sulfate in the soluble barium salt such as barium chloride added barium sulfate solution, the resulting precipitate washed, filtered, dried, crushed, sieved into a product. Precipitated barium sulfate is fine and delicate, with high whiteness, acid, alkali, light, heat and chemical properties.Precipitated barium sulfate density of 4.35 g / cm3, oil absorption of 10 to 15%, the refractive index of 1.64. Made of powder coating film high gloss, good leveling, powder coating is currently the largest amount of varieties. Precipitated barium sulfate particle size is small and uniform, good fluidity, generally used for more high-grade powder coating products.


Barite powder is also called natural barium sulfate, natural barite ore by crushing, washing, drying, screening and become a product. The purity of natural products is relatively low, between 85 ~ 95%, the density is 4.47 g / cm3, the refractive index is 1.64, the oil absorption is 6 ~ 12%, the particle size distribution is wide and can be used for low cost powder coating.There are also powder manufacturers with higher fineness of barium sulfate instead of precipitated barium sulfate for powder coatings in the natural barium sulfate if the particle size of about 3000 mesh, but also can replace part of the precipitation of barium sulfate. So that the powder coating to achieve the requirements of the various indicators, but also greatly reduce the cost of raw materials.


Method for detecting barium sulfate in barite
Barite is widely used in industry, generally to determine the content of barium sulfate to indicate its purity, but it is usually associated with strontium, lead, silver sulfate. The traditional method of barite analysis, because of its difficulty in separating, which is easy to make the measurement result high. The step of measuring the barium sulfate content

1. Impurity removal process of soluble sulfate, barium carbonate and sulfide

Weighing 0.5000g sample in 50mL High type beaker, add $number hydrochloric acid solution 10mL, after the low temperature furnace on the micro-boiling 30min, and then add 10% nitric acid solution 10mL to continue to micro-boiling after the 20min, slightly cold after the filter with slow quantitative filter, collect precipitation.

2.Sodium carbonate-zinc oxide semi-melting process to decompose specimen

Transfer the above-mentioned precipitation and filter paper to 30mL porcelain crucible, and after the low temperature is fully ashing in muffle furnace, then increase the temperature to 700 ℃, add 5 grams of sodium carbonate-zinc oxide ($number) mixed solvents, stir evenly, and then cover 2 grams of mixed solvents, into muffle furnace, starting from the low-temperature temperature to 800 ℃, and keep burning 1hour.

3.leaching process of sulfate root in semi-molten matter

Take the crucible out slightly cooler, place in 250mL beaker, add 100mL hot water immersion, wash out the crucible with hot 20% sodium carbonate solution, heat with slow filter paper in 500 ml beaker, then wash and precipitate 6-8 times with hot 20g/l sodium carbonate solution. The funnel is deposited together with the filter paper and transferred to the original beaker for standby

4.The precipitation and determination process of sulfate root

With 50% hydrochloric acid solution and to red and excess 3mL, water to regulate the volume of filtrate to 300mL, boiling to remove carbon dioxide, add 100G/L barium chloride solution 25 ml, evenly stirring 1min after continuing to boil for several minutes, and heat preservation for half an hour, and then static overnight. Filter the precipitation with slow ration filter paper, move it into the 30mL porcelain crucible which is burnt to constant weight before low temperature ashing in 800 ℃ and then weigh after burning to constant weight. The total content of sulfur in barium sulfate, strontium sulfate, lead sulfate and silver sulfate

5.The removal process of sulphate interference of strontium, lead and silver

A 50mL ($number) Hydrochloric acid solution was added to the precipitation collected during leaching of the semi-molten matter, in the low temperature electric furnace, the leachate is transferred to 250mL capacity bottle, and the content of SR, Pb and AG in the solution is detected by icp-oes and converted into each of strontium sulfate, the amount of sulphur in the presence of lead sulfate and silver sulfate, the total content of sulphur in the previous link is deducted from the sulphur content measured in this section, then the sulphur content of barium sulfate in barite and the amount of barium sulfate.
Amazing industrial applications of barite mineral
Barytes is also known as Barium Sulfate, Barites or Barite. It is one of the most amazing mineral which comes with amazing range of industrial applications because of its wonderful chemical properties. It is chemically inert and comes with high density and low oil absorption property. This article unfolds some of these amazing industrial applications of barites which make so popular with different industries. Let us have a quick look at some of the uses of barytes mineral which have been outlined below:

PLASTIC INDUSTRY

Barites mineral is widely used in plastic industry. It is used as the filling of plastic ABC to create beautiful colorful plastics. It is also very effective in improving the stiffness, intensity and abrasive strength to it thereby making it stronger in strength and beautiful in appearance.

PAPER-MAKING INDUSTRY

This mineral is also used in the papermaking industry. Because of its clean whiteness, the high-refined barites powder is also used for filling white paperboards and coat paper with it. This improves improve the whiteness of the product and also increases the percentage of coverage thereby giving it a clean white look.

PAINTING IDUSTRY

Barytes is a wonderful replacement to expensive materials used in dope and painting. It is an amazing replacement to basofor, crypton, titanium dioxide, activity and monox which are used for filling. It is very effective in controlling the viscosity of the paint. It is also very effective in increasing the stability of the paint and adding more brightness to the paint. It has a clean whiteness which makes it very effective as an extender for primers. It is highly effective in providing chemical resistance to the walls and smoothness to the undercoats thereby promising beautiful and smooth walls. It is also used as heavy inert filler. It is insoluble in water, has high refractive index, has high resistance to acids and alkalies and high bulk density which makes it all the more useful in the paint industry.

RUBBER INDUSTRY

If you are looking for saving costs in the rubber industry then you can always use the barites mineral of less than 500 mesh for filling the rubber products. This is very effective in making the product water proof. It also improves the intensity of the product and makes it acid proof and alkali proof. This increases the life of the product thereby making it more durable.

PHARMACEUTICAL INDUSTRY

Barytes is also used in pharmaceutical industry. It is used as barium meal material for the intestines and stomach reflections. Another important usage of barites in pharmaceutical industry includes the usage for filling of plaster and dope in order to extend the time limit of the plaster. It is also used in diagnostic medical tests. Barites are also very effective in blocking x-rays and gamma-rays emission.

COSMETICS INDUSTRY

Barytes is very popular in the cosmetics industry because of its gentle and mild effect on the skin. It is a wonderful substitute to titanium dioxide. It is widely used in the cosmetics. These are different industrial applications of barytes mineral. Surely it is widely used in different industries for different reasons, with each one of them mentioned above。
Barite powder as sand substitution in concrete,Construction and Building Materials

The effect of sand substitution by barite powder on concrete has been examined.

1.Limestone skeleton should be conserved to reduce the compressive strength loss.

2.The use of barite induces a reduction of elasticity modulus around 20%.

3.Replacing sand by barite reduces the tensile strength of concrete to half.

4.Barite powder does not affect the concrete swelling but reduces shrinkage.

5.Barite concrete is a kind of density is larger, the x-ray shielding ability of concrete

Barite (BaSO4) is a mineral commonly used as aggregates to produce heavyweight concrete. The applications concern radiations shielding in hospitals and nuclear facilities. In this work, the use of Tunisian barite powder form in the composition of concrete was investigated, substituting sand partially or totally. Investigation was carried out on five groups of concrete samples with density (2.31–2.48) corresponding to the mass of barite’s percentages ranging from 0% to 25%. The effect of barite ratio on the physical and mechanical properties such as compressive strength, tensile strength, density, shrinkage, swelling, and elastic modulus have been measured and compared to ordinary concrete as a control. Although the tensile strength has been reduced up to 50%, it has been shown that is possible to produce a barite-based concrete with a minor effect on the main mechanical parameters: the compressive strength at 28 days has decreased only by 10% and the elastic modulus at one year of age by 20%. This was possible by conserving the initial limestone skeleton and using barite in size (0–100 μm). The new designed mixture containing barite in powder form can be used for structural concrete.
What is the role of barite in medicine?
Why is this medication prescribed? Barium sulfate is used to help doctors examine the esophagus (tube that connects the mouth and stomach), stomach, and intestine using x-rays or computed tomography (CAT scan, CT scan; a type of body scan that uses a computer to put together x-ray images to create cross-sectional or three dimensional pictures of the inside of the body). Barium sulfate is in a class of medications called radiopaque contrast media. It works by coating the esophagus, stomach, or intestine with a material that is not absorbed into the body so that diseased or damaged areas can be clearly seen by x-ray examination or CT scan. How should this medicine be used? Barium sulfate comes as a powder to be mixed with water, a suspension (liquid), a paste, and a tablet. The powder and water mixture and the suspension may be taken by mouth or may be given as an enema (liquid that is instilled into the rectum), and the paste and tablet are taken by mouth. Barium sulfate is usually taken one or more times before an x-ray examination or CT scan. If you are using a barium sulfate enema, the enema will be administered by medical staff at the testing center. If you are taking barium sulfate by mouth, you may be given the medication after you arrive at the testing center or you may be given the medication to take at home at specific times the night before and/or the day of your test. If you are taking barium sulfate at home, take it exactly as directed. Do not take more or less of it or take it more often or at different times than directed. Swallow the tablets whole; do not split, chew, or crush them. Shake the liquid well before each use to mix the medication evenly. If you are given a powder to mix with water and take at home, be sure that you are also given directions for mixing and that you understand these directions. Ask your doctor or the staff at the testing center if you have any questions about mixing your medication You will be given specific directions to follow before and after your test. You may be told to drink only clear liquids after a certain time the day before your test, not to eat or drink after a specific time, and/or to use laxatives or enemas before your test. You may also be told to use laxatives to clear the barium sulfate from your body after your test. Be sure that you understand these directions and follow them carefully. Ask your doctor or the staff at the testing center if you are not given directions or if you have any questions about the directions you are given.
The preparation method of barite weighting agent for bentonite drilling mud
The preparation method belongs to the LPG(petroleum and natural gas)drilling with high weighting use characteristic of preparation process. The aim is to improve its aggravating properties by reducing the inhibition of barite. The surface modification of the barite was carried out by treating the barite in turn with ethylenediamine tetraacetic acid disodium salt and aluminum lignosulfonate. The amount of ethylenediaminetetraacetic acid disodium salt is from 0.025 to 0.150% and the amount of the lignin sulfonate is 0.18 to 0.20% of the barite content. When these two agents are co-treated, a composite hydrophobic layer is formed on the surface of the barite to change the surface electrical properties of the weighting agent, resulting in alienation of the particles, thereby preventing the drilling mud structure from solidifying and significantly reducing the barite Thickening. This ensures that a large amount of weighting agent is added to the drilling mud at the required level while maintaining structural first-class denaturation. The lignin sulfonate is prepared in the following manner: 250 g of sulfuric acid and dyestuff containing 40% dry material was mixed with 75 ml of an aqueous solution of aluminum sulfonate (containing 20 g of sulphonic acid). The mixture was allowed to stand for 2 hours, filtered, and the filtrate was poured into calcium sulfate slag. The pH of the filtrate was 0.95-7.10 by adding sodium hydroxide, the specific gravity of the prepared lignin sulfonate solution was 1.13-1.15 g / cm3, Is 23-45 mPa / s. The resulting solution is evaporated to dryness by steam, and the resulting powdery product is prepared and can be used as a modifier for barite.
Barium sulfate as filler in plastics

What is barium sulfate? Barium sulfate,as X-ray double contrast agent.The high density gastrointestinal contrast agent can be made into different proportional suspensions, but it is usually used with low density gas to achieve double contrast. Commonly used in digestive tract radiography, according to domestic users reported that the thickness of barium sulfate, better than fine and uniform barium sulfate. For intestinal fistula formation and prone to perforation of certain intestinal diseases, such as appendicitis, diverticulum, ulcerative enteritis, parasitic infections. Barium sulfate be used as filler in the industrial production of plastic. Barium sulfate unique excellent performance, so that it is widely used in plastic products and as one of the new functional modification materials. Barium sulfate has the characteristics of improving the chemical corrosion resistance, heat tolerance and product appearance of the plastic products. Barium sulfate can be used for pp. Abs. Pa. Pet and other resin production of home appliances shell, mechanical parts, automotive parts, air-conditioning panels, electric kettle shell and so on. Barium sulfate can also increase the proportion of plastic products, improve the wear resistance of plastics, anti-aging, improve the luminous effect, and expand the application of plastic products. The characteristics of barium sulfate in plastics The natural ore (barite) is made of barite powder (also called heavy barium sulfate) after crushing, washing and drying, and is white or gray powder, with a density of 4.3~4.6g/cm3. Barite heated to 1100 Shan reduction to produce soluble barium sulfide, and then the role of sulfuric acid or sodium sulfate precipitated barium sulfate (also known as light barium sulfate), fine particle size, whiteness can up to 92 degrees above. Barium sulfate has many characteristics with large proportion, good luster, good thermal stability and excellent processing performance and so on.
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Analysis of barite recourse in China & future market
  The barite in the world is abundant with over 2 billion tons, mainly in America, Russia, China, Peru, India, and so on. China owns the rich barite recourse in the 26 provinces, especially in the southern. The reserve in Guizhou occupies 1/3 of China, while Hunan and Guangxi ranks the second and third. The barite in China is not only accountable but also premium. The BaSO4 is more than 92.8%, and the rich reserves occupy 99.4% in the whole country. Until 1995, 460 million reserves were discovered. China supplies 25-30 million tons barite annually, all exploited in domestically. China consumes 12-13 million tons barite annually. 7-8 million tons are used for oil and gas exploitation, 60% of the total consumption. 4-6 million tons are used for the Ba chemical products, 30% of the total. 1 million tons are used for other fields, 10% of the total. China is the biggest country to export the barite. In 1990s, China exported 15-20 million tons barite to the outside the world. In 1996, China export 2.058 million tons barite and Ba salt, with 1.86 barite and 0.198 Ba chemical products, mainly to America, Holland, Japan, and South Korea. China seldom imports the barite, only a small amount of Ba chemical products. In the future years, the demands will be increasing with a bright market. In the industry of supply is less than demand, much profits can be seen.
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Optimized measurement method of barium sulfate content in barite ores
  Barite is widely used in industry. Generally, we measures the content of barium sulfate to indicate its purity, but it is usually associated with strontium, lead, silver’s sulfate.Traditional Barite analysis method, because of its difficult separation, easily to make the results of high measurement. The following is the optimized method of barium sulfate measurement 1. Impurity removal process of soluble sulfate, barium carbonate and sulfide Weighing 0.5g samples in 50mL high-type beaker, adding 1+1 10mL of hydrochloric acid solution,after micro-boiling 30min in the cryogenic furnace, then add 10% nitrate solution 10mL keeping micro-boiling 20min,slow quantitative filter, collecting precipitation after slightly cold. 2.Decomposition of sample process by sodium carbonate, zinc oxide semi-melt method The precipitation and filter paper are transferred together to the 30mL porcelain crucible, after the low temperature fully ashing in the Muffle furnace, increases the temperature to 700 ℃, and then add 5g of sodium carbonate, zinc oxide (3+2) mixture solvents, mix evenly, and covering 2g of mixture solvents above them, put into the muffle furnace, start from low temperature and gradually increased temperature to 800 ℃, keep burning 1hour. 3. leaching process of sulfuric acid roots in semi-melt Removing the crucible out and slightly colder, put in the 250mL beaker, add 100mL hot water to leach, use hot 20% sodium carbonate solution wash out the crucible, keeping hot with slow filter paper in 500 mL beaker, and then use the heat sodium carbonate solution 20g/l wash precipitation 6-8 times. The precipitation of the funnel is transferred together with the filter paper to the original beaker. 4. Precipitation and measurement of sulfuric acid roots Using 50% hydrochloric acid solution neutralize to red and in excess of 3mL, regulating the volume of the filtrate to 300mL by water,boiling to remove carbon dioxide, adding 100g/L barium chloride solution 25 ml, evenly stirring after 1min and keeping boil for a few minutes, and heat preservation for half an hour, then static overnight. After slow-rate precipitation filtration by quantitative filter paper,moving it into the 30mL porcelain crucible with the prior burning to the constant.weight after low temperature ash in 800 ℃ burn to the constant weight and weigh. Total content are sulfur in barium sulfate, strontium sulfate, lead sulfate and silver sulfate. 5. Removal process of interference from strontium, Pb and Ag’s sulfate Adding the 50mL (1+1) hydrochloric acid solution to the collected precipitation during the leaching process of the semi-melt. Put it on the low temperature electric furnace,after the micro-boiling,dissolution and precipitation , the filtrate is transferred to the 250mL volumetric flask, and the content of Sr, Pb and Ag in the solution is measured by ICP-OES and converted to in the form of Sr, Pb and Ag’s sulphate. The total content of sulfur in the previous link deducted that measured in this section, the result is the sulfur content of barium sulfate in barite,then convert into barium sulfate. By optimizing the treatment of each condition in the process, this method is better than the traditional semi-melting method, less disturbance than the whole melting method, aim at higher requirements measurement of barium sulfate in barite ores,it could achieve a better effect.(P.S,only available the content of barium sulfate between 15-90% to assure accuracy.)
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