What Are the Different Uses of Plaster?

Gypsum is natural dihydrate gypsum (CaSO ₄ · 2H ₂ O), CAS No. 10101-41-4, also known as fine stone, also known as "cold water stone". , Headache, toothache and other functions.

The plaster is usually white or

1. Syndromes for subtle fever and fever. Often used with the mother-in-law, such as

1 Deficiency of spleen and stomach, blood deficiency, yin deficiency and fever are not allowed to take plaster.

2 Chickens make it. Gypsum Mangosteen, Ma Mu Du Gong "Compendium of Materia Medica"

3 Gypsum is a product of great cold, which is easy to hurt yang.

4 Gypsum croton, iron phobia. "Pharmacology"

5 Excessive amount of gypsum will lead to fatigue and weakness after taking it. Poor appetite, etc.

6 Gypsum should not be used with the following western medicines at the same time: tetracycline antibiotics. Gypsum will reduce the solubility and absorption rate of antibiotics in this family. Should not be taken with isoniazid, it will reduce its efficacy. Should not be taken with prednisone to reduce its bioavailability.

Generally called gypsum can refer to two kinds of minerals, raw gypsum and anhydrite. The raw gypsum is calcium sulfate dihydrate (CaSO4 · 2H2O), also known as dihydrate gypsum, hydrogypsum or soft gypsum. The theoretical composition is CaO 32.6%, SO3 46.5%, H2O 20.9%. Dense massive or fibrous, white or gray, red, brown, glass or silk luster, Mohs hardness is 2, cleavage parallel {010} complete, density 2.3g / cm3; anhydrite is anhydrous calcium sulfate (CaSO4 ), The theoretical composition of CaO 41.2%, SO3 58.8%, orthorhombic system, crystals are plate-like, usually dense or granular, white, off-white, glass gloss, Mohs hardness 3 ~ 3.5, cleavage parallel {010 } Complete, with a density of 2.8 to 3.0 g / cm3. Two types of gypsum are often produced together, and can be transformed into each other under certain geological effects, but it is easy to cause explosion.