Strontium nitrate | 10042-76-9
Nkọwapụta ngwaahịa:
Ihe | Ọkwa Catalyst | Ọkwa ụlọ ọrụ |
Sr (NO3)2 | ≥98.5% | ≥98.0% |
Barium (Ba) | ≤1.0% | ≤1.5% |
Calcium (Ca) | ≤0.5% | ≤1.5% |
Ígwè (Fe) | ≤0.002% | ≤0.005% |
Ọla dị arọ (Pb) | ≤0.001% | ≤0.005% |
Ihe na-adịghị edozi mmiri | ≤0.05% | ≤0.1% |
Mmiri | ≤0.5% | ≤0.5% |
Nkọwa ngwaahịa:
kristal ọcha ma ọ bụ ntụ ntụ. Nwere 4 molekul mmiri nke crystallisation mgbe kristal na obere okpomọkụ. Soluble na 1.5 akụkụ mmiri, aqueous ngwọta na-anọpụ iche, ubé soluble na ethanol na acetone. Njupụta njikọ 2.990, ebe mgbaze 570°C. Nsi dị ala, LD50 (oke, ọnụ) 2750mg / kg, ihe na-egbu egbu siri ike, esemokwu ma ọ bụ mmetụta na ihe ndị dị ndụ nwere ike ime ka ọkụ ma ọ bụ mgbawa. Na-akpasu iwe.
Ngwa:
Analytical reagent. Cathode ihe maka elektrọn tube. A na-ejikwa ọkụ ọkụ, ọkụ ọkụ, ọkụ ọkụ, ọkụ, ọkpọkọ TV na enyo anya, nke a na-ejikwa na nkà mmụta ọgwụ.
Ngwugwu: 25kgs/bag ma ọ bụ dị ka ịchọrọ.
Nchekwa: Chekwaa n'ebe ikuku na-ekuru, ebe kpọrọ nkụ.
Standardkpụrụ Executive: International Standard.