Calcium Sulfate Dihydrate me CAS 7778-18-9

CAS:7778-18-9

tātai rāpoi:CaSO4·2H2O

Taumaha rāpoi:172.14

EINECS:231-900-3

kupu taurite:anhydrousgypsum; anhydroussulfateoflime; calciumsulfate(1:1); calciumsulfate(anhydrous); māori waihā; sulfatedecalcium, anhydre; Sulfuricacid, tote konupūmā(1:1); sulfuricacidcalcium(2+)tote(1:1)

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He aha te Calcium Sulfate Dihydrate Ki te CAS 7778-18-9?

Ko te Calcium Sulfate Dihydrate he ahua o te paura tioata ma, he kakara, he astringent, kiato whanaunga 2.96, ira whakarewa 1450 nekehanga, ka wera ki te 100 nga nekehanga ka ngaro tetahi waahanga o tana wai karaihe ka waiho hei tote ahua-wai. He uaua ki te memeha i roto i te wai, he kūpapa te otinga me te reka astringent, he paku whakarewa ki te glycerin me te kore e rewa ki te waihā.

Whakatakotoranga

ITEM	Paerewa
Te ahua	Paura ma
Se	≤0.003%
Pb	≤2 mg/kg
As	≤3 mg/kg
Pūkōwhai	≤0.003%
Ngaronga i te whakamaroke	19.0~23.0%
konupūmā pākawa (hei pūtake maroke)	≥98.0