Calcium sulfate

Calcium sulfate is an inorganic chemical compound that is used mainly in industrial productions. It uses widely from maintaining soil to dentistry process. Calcium sulfate has two different forms: anhydrous and hydrous. Calcium sulfate appears as white powder and odorless. It has melting point of 1460 Celsius but no boiling point. Calcium sulfate is also non-flammable. This compound is naturally called calcium salt, and also very sensitive to human body. Calcium sulfate has to be stored it perfectly by sealing the container and not allowing air to go into the container because it can absorb the moisture of the air.

Properties
Calcium sulfate is a clear white salt that appear all around the environment. It has two main forms: anhydrous and hydrous. The anhydrous form is often used in the industrial process. Its usually packed with indicator dye so the buyer is aware of the moisture occurrence in the products. The hydrous form or another name called mineral gypsum (CaSO4.2H2O), has low solubility in water 100 degree Fahrenheit (38 degree Celsius). It forms as a white powder known as plaster of Paris. The hydrous form can be reform by adding water. When the hydrous form receives water, the heat will come out. When the stronger heat pushes out more water, it will leave the anhydrous form.

Calcium sulfate has a lot of benefit in agriculture:

1. Renovating the quality of physics of soils

2. Reducing the tight of the clay

3. Increasing ability to permeate of the soils

4. Decreasing the loose of soils’ surface

5. Make soils ventilate better

6. Decreasing the hard soil of the lower level soils

7. Help the spreading of root

8. Maintain the soaked soils

Synthesis / Occurrences
Calcium sulfate is natural resource that was appear millions years ago. It found in a crystal rock mostly in a form of gypsum and anhydrous. Calcium sulfate in dihydrate form has three elements: sulfur trioxide (SO3) 46.5%, calcium oxide (CaO) 32.6%, and water (H2O) 20.9%. Calcium sulfate in anhydrous form has two elements: sulfur trioxide (SO3) 58.8% and calcium oxide (CaO) 41.2%.

Uses
Calcium sulfate has some uses medical activities. The calcium sulfates are used for filling bone defects and repair the periodontal defects. Most of calcium sulfate will fuse with many chemicals to become a portion of these production: vehicles, construction, electronic apparatus, laboratories, fabrics, wood, rubber, plastics, metal, leather, chemicals, pharmaceuticals, pesticides, and cosmetics.

The raw gypsum use in many productions:

1. Use in construction especially the production of cements for decrease solidification speed

2. Use in the production of Ammonia sulfate

3. Use as oxidizing agent in the production of glassware

4. Use in production of chalks

5. Use in sculpture and some interior decoration

6. Use in dentistry process

7. Use in beer production: make the beer look clear.

Protection
Calcium sulfate is a very effective chemical, especially to the human's body include skin, eyes, ect. If anyone contacts calcium sulfate with their hand or any part of skin, they should wash that area with a lot of soap. If this chemical comes in contact with an eye, they should wash with a lot of water until that chemical is gone or they will not feel harm in the eye. Make sure that when they are washing the eye(s), they also should open their both eyelids, top and bottom, to let the water go through and clean the eyeball(s) completely. If they let the chemicals go into their body for the first time, it will not harm anything in the body. If they let the chemical go into the body more than once, the chemical will harm the body a bit and increase depending on how much and how much chemical that go in. There are 5 steps to properly storing Calcium Sulfate

Calcium sulfate is very sensitive chemical. They needed to be stored properly: 1. Packed in the container and sealed completely

2. Use ventilation system especially the dusty areas

3. Watering lightly to reduce the dust

4. Store in cold and dry area

5. Store it away from any moisture because Calcium sulfate can absorb the moisture from the air.

Video
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