| 质量标准： |
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
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| 贮 存： |
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。 |
