Cobalt(II) chloride in vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric, magnetic, and oxidation-resistance properties.
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Chemical appearance: PVA is a water-soluble synthetic polymer. It is usually hazy white and does not have any distinct odor. It is usually supplied in powders or pellets but can be supplied as solutions or beads. Chemical application and strengths: Polyvinyl alcohol has quality adhesive and emulsifying properties. It has high flexibility and tensile strength. It is insoluble and resists organic solvents, grease, and oil. It has strongaroma and high oxygen barrier properties. Most of these properties are dependent on humidity levels with high levels reducing its tensile strength. PVA is used in several areas, as follows: It is used as a release liner in paper coatings
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The chemical is highly stable in neutral media and average room temperature. However, it is highly reactive with alkaline media where it decomposes and warms the alkaline material instead. The main use if the compound is a fungicidal spray on grapes, tea, coffee, cotton and cardamom. In rubber, it is sprayed from the above to control attack on the leaves.
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Ammonium chloride, a byproduct of sodium bicarbonate production, contains 24% to 26% Nitrogen and 65% Chlorine. It is also known as Sal Ammoniac, the salt of ammonia and hydrogen chloride. In its pure form, it is crystalline salt, white, but easy to caking. To avoid this phenomenon, it can also be granulated to Granule, which is hard to caking and easy to store. This compound is highly water-soluble and mildly acidic and can be used as a nitrogen fertilization source (corresponding to 90 percent of ammonium chloride production worldwide) in crops, especially for Wheat and Rice
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