Ammonium sulfate

Ammonium sulfate

Aha kemịkalụ: Ammonium sulfate

Ụdị molekụla:  (NH4)2SO4

Ibu Molecular: 132.14

CAS7783-20-2

agwa: Ọ bụ kristal orthorhombic na-enweghị agba, nke na-atọ ụtọ. Njupụta nke ikwu bụ 1.769 (50 ℃). Ọ dị mfe soluble na mmiri (Na 0 ℃, solubility bụ 70.6g / 100mL mmiri; 100 ℃, 103.8g / 100ml mmiri). Aqueous ngwọta bụ acidic. Ọ naghị edozi ya na ethanol, acetone ma ọ bụ amonia. Ọ na-emeghachi omume na alkalies iji mepụta amonia.

 


Nkọwa ngwaahịa

Ojiji: A na-eji ya dị ka onye na-achịkwa acidity na ntụ ọka na achịcha; enwere ike iji ya dịka ọgwụgwọ mmiri ọṅụṅụ; enyemaka nhazi (naanị eji dị ka nri maka gbaa ụka). Enwere ike iji ya dị ka onye na-ahazi ntụ ọka na nri yist. N'ime mmepụta yist ọhụrụ, a na-eji ya dị ka isi iyi nitrogen maka ịkụ ihe yist (anaghị akọwapụta usoro onunu ogwu.). Usoro onunu ogwu bụ ihe dịka 10% (ihe dịka 0.25% ntụ ntụ) maka nri yist na achịcha.

Nkwakọ ngwaahịa: N'ime 25kg mejupụtara akpa rọba kpara akpa nwere PE liner.

Nchekwa na Ụgbọ njem: Ekwesịrị ịchekwa ya n'ụlọ nkwakọba ihe kpọrọ nkụ na ikuku ventilashị, na-echekwa ya ka ọ ghara ikpo ọkụ na mmiri n'oge njem, na-ebufe ya na nlezianya ka ọ ghara imebi. Ọzọkwa, a ghaghị ịchekwa ya iche na ihe ndị na-egbu egbu.

Ọkọlọtọ Ogo: (GB29206-2012, FCC-VII)

 

Nkọwapụta GB 29206-2012 Ọnụ ego FCC VII
Ọdịnaya ( (NH4)2SO4),  w/% 99.0-100.5 99.0-100.5
Ihe fọdụrụ na mgbanye (Sulfated Ash), w/% 0.25 0.25
Arsenic (dị ka),mg/kg                ≤ 3 ————
Selenium (Se),mg/kg                ≤ ≤ 30 30
Ndu (Pb),mg/kg                   ≤  ≤ 3 3

 

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