| 質(zhì)量標(biāo)準(zhǔn)： |
HG/T 2760-1996
項目Item 分析純 化學(xué)純
(AR) (CP)
含量(ZnCl2)Assay,% ≥ 98.0 98.0
澄清度試驗Clarity 合格 合格
稀鹽酸不溶物Insoluble matter in diluted hydrochloric acid,%≤ 0.005 0.01
硫酸鹽(SO4)Sulfate,% ≤ 0.002 0.01
硝酸鹽(NO3)Nitrate,% ≤ 0.0002 0.001
銨鹽(NH4)Ammonium,% ≤ 0.00002 0.00005
鐵(Fe)Iron,% ≤ 0.0005 0.002
鉛(Pb)Lead,% ≤ 0.002 0.01
堿式鹽(以ZnO計)Basic salt,% ≤ 1.2 2.4
硫化銨不沉淀物(以硫酸鹽計)Substances not
precipitated by ammonium sulfide,% ≤ 0.1 0.3
品級Grade ACS級
(grade ACS reagent)
含量assay ≥98%
總氮total nitrogen (N) ≤0.002%
鹽酸不溶物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
品級Grade 分子生物學(xué)級
(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
總氮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, 無水透明
硫酸根sulfate (SO42-): ≤100 mg/kg
As: ≤2 ppm
Ca: ≤100 ppm
Fe: ≤10 ppm
Pb: ≤50 ppm
過濾測試filter test Passes
品級Grade 99.99%，無水級
(anhydrous, 99.99% trace metals basis )
外觀Appearance 白色粉末、結(jié)晶或珠
純度Purity ≥99.99% Based On Trace Metals Analysis
鋅Zn 47.0 - 48.9 %（Complexiometric EDTA）ICP Assay Confirms Zinc component
總金屬雜質(zhì)Trace Metal Analysis 200ppm by ICP Atomic emission
(Na，Cs，Mg，Ca，Cu，Cd，V，Tl，Si，Cr，Pb，F(xiàn)e)
品級Grade 99.999%，無水級
(anhydrous, 99.999% trace metals basis )
外觀Appearance 白色粉末、結(jié)晶或珠
純度Purity ≥99.999% Based On Trace Metals Analysis
鋅Zn 47.0 - 48.9 %（Complexiometric EDTA）ICP Assay Confirms Zinc component
總金屬雜質(zhì)Trace Metal Analysis 20ppm by ICP Atomic emission
(Na，Cs，Mg，Ca，Cu，Cd，V，Tl，Si，Cr，Pb，F(xiàn)e、Pd、Al、In、Ga)
品級Grade 細胞培養(yǎng)，昆蟲細胞培養(yǎng)專用
(cell culture tested, insect cell culture tested)
外觀Appearance 白色至類白色粉末
含量assay ≥98.0% (AT)
細胞培養(yǎng)測試Cell Culture Test Pass
昆蟲細胞培養(yǎng)測試Insect Cell Test Pass
USP級
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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| 貯 存： |
密封干燥保存
用途 檢驗仲醇，用作脫水劑, 催化劑,縮合劑,媒染劑,上漿劑,增重劑,防腐劑, 還用于電鍍,染料,醫(yī)藥,農(nóng)藥等工業(yè)。
分子生物學(xué)級用于在小鼠3T3細胞中，靠正義和反義RNA的表達來去調(diào)控DNA polymerase β。 |
