Calcium Sulphate Dihydrate FCC

Calcium sulphate dihydrate fCC

code number

67229

synonym

gypsum, alabaster

cas no.

10101-41-4

molecular formula

caso₄. 2h₂o

molecular weight

172. 18

description

a fine, white or slightly yellow - white powder

solubility

slightly soluble in water

identification

ve+ = calcium & sulphate +ve

fluoride

max. 0. 003%

lead

max. 0. 0002%

loss on drying

19 - 23%

selenium

max 0. 003%

assay (on dried basis)

min. 98. 0% of caso₄