质量标准: | 氯化锌,7646-85-7,Zinc chloride HG/T 2760-1996 项目Item 分析纯 化学纯 (AR) (CP) 含量(ZnCl2)Assay,% ≥ 98.0 98.0 澄清度试验Clarity 合格 合格 稀盐酸不溶物Insoluble matter in diluted hydrochloric acid,%≤ 0.005 0.01 硫酸盐(SO4)Sulfate,% ≤ 0.002 0.01 硝酸盐(NO3)Nitrate,% ≤ 0.0002 0.001 铵盐(NH4)Ammonium,% ≤ 0.00002 0.00005 铁(Fe)Iron,% ≤ 0.0005 0.002 铅(Pb)Lead,% ≤ 0.002 0.01 碱式盐(以ZnO计)Basic salt,% ≤ 1.2 2.4 硫化铵不沉淀物(以硫酸盐计)Substances not precipitated by ammonium sulfide,% ≤ 0.1 0.3 品级Grade ACS级 (grade ACS reagent) 含量assay ≥98% 总氮total nitrogen (N) ≤0.002% 盐酸不溶物insoluble in HCl ≤0.005% 氧化氯oxide chloride (as ZnO) ≤1.2% Cd: ≤5 ppm Cu: ≤10 ppm Fe: ≤5 ppm K: ≤10 ppm Mg: ≤10 ppm Na: ≤10 ppm Pb: ≤10 ppm 品级Grade 分子生物学级 (grade for molecular biology) 含量assay ≥98.0% (AT) DNA酶DNases, none detected RNA酶RNases, none detected 磷酸酶phosphatases, none detected 蛋白酶proteases, none detected 总氮total nitrogen (N) ≤10 mg/kg pH 4-5.5 (25 °C, 1 M in H2O) 水溶解性solubility H2O: 可溶,0.14 g/mL,20 °C, 无水透明 硫酸根sulfate (SO42-): ≤100 mg/kg As: ≤2 ppm Ca: ≤100 ppm Fe: ≤10 ppm Pb: ≤50 ppm 过滤测试filter test Passes 品级Grade 99.99%,无水级 (anhydrous, 99.99% trace metals basis ) 外观Appearance 白色粉末、结晶或珠 纯度Purity ≥99.99% Based On Trace Metals Analysis 锌Zn 47.0 - 48.9 %(Complexiometric EDTA)ICP Assay Confirms Zinc component 总金属杂质Trace Metal Analysis 200ppm by ICP Atomic emission (Na,Cs,Mg,Ca,Cu,Cd,V,Tl,Si,Cr,Pb,Fe) 品级Grade 99.999%,无水级 (anhydrous, 99.999% trace metals basis ) 外观Appearance 白色粉末、结晶或珠 纯度Purity ≥99.999% Based On Trace Metals Analysis 锌Zn 47.0 - 48.9 %(Complexiometric EDTA)ICP Assay Confirms Zinc component 总金属杂质Trace Metal Analysis 20ppm by ICP Atomic emission (Na,Cs,Mg,Ca,Cu,Cd,V,Tl,Si,Cr,Pb,Fe、Pd、Al、In、Ga) 品级Grade 细胞培养,昆虫细胞培养专用 (cell culture tested, insect cell culture tested) 外观Appearance 白色至类白色粉末 含量assay ≥98.0% (AT) 细胞培养测试Cell Culture Test Pass 昆虫细胞培养测试Insect Cell Test Pass USP级 ASSAY (ZnCl2) 97.0 - 100.5 % OXYCHLORIDE -- TO PASS TEST SULFATES (SO4) -- 0.01 % ALKALIES AND ALKALINE EARTHS -- 1.0 % AMMONIUM SALTS -- TO PASS TEST LEAD (Pb) -- 0.005 % HEAVY METALS -- 50 PPM ARSENIC (As) -- 5 PPM |
贮 存: | 氯化锌,7646-85-7,Zinc chloride 密封干燥保存 用途 检验仲醇,用作脱水剂, 催化剂,缩合剂,媒染剂,上浆剂,增重剂,防腐剂, 还用于电镀,染料,医药,农药等工业。 分子生物学级用于在小鼠3T3细胞中,靠正义和反义RNA的表达来去调控DNA polymerase β。 |