| 质量标准： |
GB /T 1266-86
项目Item 优级纯 分析纯 化学纯
(GR) (AR) (CP)
含量(NaCl)Assay,% ≥ 99.8 99.5 99.5
水溶液反应water Solution reaction
合格 合格 合格
澄清度试验Clarty 合格 合格 合格
水不溶物Insiluble matter in water,%
≤ 0.003 0.005 0.02
干燥失重Drying loss,% ≤ 0.2 0.5 0.5
碘化物(I)Iodide,% ≤ 0.001 0.002 0.012
溴化物(Br)Bromide,% ≤ 0.005 0.01 0.05
硫酸盐(SO4)Sulfate,% ≤ 0.001 0.002 0.005
磷酸盐(PO4)Phosphate,% ≤ 0.0005 0.001 --
氮化合物(N)Nitrogen,% ≤ 0.0005 0.001 0.003
镁(Mg)Magnesium compounds,%
≤ 0.001 0.002 0.005
钾(K)Pitassium,% ≤ 0.01 0.02 0.04
钙(Ca)Calcium,% ≤ 0.002 0.005 0.01
亚铁氰化物(以Fe(CN)6计)Ferrocyanide,%
≤ 0.0001 0.0001 --
铁(Fe)Iron,% ≤ 0.0001 0.0002 0.0005
砷(As)Arsenic,% ≤ 0.00002 0.00005 0.0001
钡(Ba)Barium,% ≤ 0.001 0.001 0.001
重金属(以Pb计)Heavy metals,%
≤ 0.0005 0.0005 0.001
项目名称 ACS Grade
含量Assay ≥ 99.0%
pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 5.0-9.0
水不溶物Insoluble matter ≤ 0.005%
碘化物(I)Iodide(I) ≤ 0.002%
溴化物(Br)Bromide(Br) ≤ 0.01%
氯化物和硝酸盐(以NO3计)
Chloride and Nitrate ≤ 0.003%
磷酸盐(PO4)Phosphate ≤ 5ppm
硫酸盐(SO4)Sulfate ≤0.004%
钡(Ba)Barium(Ba) Passes test
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
铁(Fe)Iron ≤2ppm
钙(Ca)Calcium ≤0.002%
镁(Mg)Magnesium ≤0.001%
钾(K)Potassium ≤0.005%
项目 分子生物学级
(for molecular biology , ≥99.5% (AT))
外观Appearance 白色结晶粉末
纯度Purity >99.5 % (银量法)
重金属Heavy metals (as Pb) <5 ppm
DNA酶、RNA酶、蛋白酶等Dnase,Rnase,Protease 未检测到
紫外吸光度UV (0.1 M 水溶液)
260 nm A: <0.01
280 nm A: <0.01
痕量分析Trace analysis :
碘I < 20 PPM
磷酸根PO4 < 5 PPM
硫酸根SO4 < 4 PPM
钙Ca < 50 PPM
铁Fe < 2 PPM
镁Mg < 50 PPM
钾K < 50 PPM
品级Grade 细胞和昆虫细胞培养级
(for cell culture , insect cell culture)
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity 99.5 ～ 100.5% (银量滴定)
细胞培养测试Cell culture test pass
昆虫细胞培养测试Insect cell culture test pass
品级Grade 植物细胞培养级
(for plant cell culture, ≥99.5%)
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity 99.5 ～ 100.5% (银量滴定)
细胞培养测试Plant cell culture pass
品级Grade 色谱纯
(for HPLC, ≥99.5% (AT))
外观Appearance 白色结晶粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.5% (AT)
pH 5.0-8.0
水溶性solubility H2O: soluble100 mg/mL, clear, colorless
λ 10 % in H2O
紫外吸光值UV absorption
λ: 220 nm A: ≤0.05
λ: 230 nm A: ≤0.03
λ: 240 nm A: ≤0.02
λ: 260 nm A: ≤0.01
λ: 500 nm A: ≤0.01
RP gradient test pass
filter test pass
≥99.999% (metals basis)：
外观Appearance 白色粉末或结晶粉末
X-射线衍射分析X-Ray Diffraction Conforms to standard
纯度Purity ≥99.999% Based On Trace Metals Analysis
氯Cl ≥60.0 % （Titration by AgNO3）
ICP Assay Confirms Sodium component
溴bromide (Br-): ≤10 ppm
总氮total nitrogen (N) ≤10 ppm
氰化铁hexacyanoferrate(II) ([Fe(CN)6]4-): ≤1 ppm
碘iodide (I-): ≤10 ppm
磷酸phosphate (PO43-): ≤5 ppm
硫酸根sulfate (SO42-): ≤10 ppm
痕量金属分析Trace Metal Analysis 20ppm by ICP Atomic emission
总金属杂质Total Metallic Impurities
Al: ≤0.01 ppm
As: ≤0.01 ppm
Ba: ≤2 ppm
Ca: ≤0.1 ppm
Cd: ≤0.005 ppm
Ce: ≤0.05 ppm
Co: ≤0.005 ppm
Cr: ≤0.01 ppm
Cs: ≤5 ppm
Cu: ≤0.005 ppm
Eu: ≤0.005 ppm
Fe: ≤0.05 ppm
Hg: ≤0.001 ppm
K: ≤5 ppm
La: ≤0.005 ppm
Li: ≤0.5 ppm
Mg: ≤0.05 ppm
Mn: ≤0.01 ppm
Ni: ≤0.01 ppm
Pb: ≤0.005 ppm
Rb: ≤0.5 ppm
Sc: ≤0.005 ppm
Sm: ≤0.005 ppm
Sr: ≤0.1 ppm
Tl: ≤0.005 ppm
Y: ≤0.005 ppm
Yb: ≤0.005 ppm
Zn: ≤0.02 ppm
(光谱纯SP),optical grade, 99.99% trace metals basis:
外观Appearance Colorless Chunks
纯度Purity ≥99.99% Based On Trace Metals Analysis
氯Cl 59.8 - 61.6 %（Titration by AgNO3）
ICP: Confirms Sodium Component Confirmed
痕量金属分析Trace Metal Analysis ≤200.0 ppm
总金属杂质Total Metallic Impurities (Ca、Cu、Eu、Fe、Li、Sr)
品级Grade 农残级
(for pesticide residue analysis, ≥99.5% (AT))
外观Appearance 白色结晶粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.5% (AT)
总杂质total impurities ≤0.1 ng/g pestizides
品级Grade 美国药典级
(USP)
IDENTITY PASS
APPEARANCE OF SOLUTION PASS
ACIDITY OR ALKALINITY PASS
RESIDUAL SOLVENTS MEETS THE REQUIREMENTS
LOSS ON DRYING ≤0.5%
BROMIDES ≤0.010%
IODIDES PASS
MAGNESIUM AND ALKALINE EARTH METALS ≤ 0.01%
ARSENIC ≤ 1 PPM
IRON ≤ 2 PPM
BARIUM PASS
FERROCYANIDES PASS
SULFATE ≤ 0.020%
NITRITES PASS
PHOSPHATE ≤ 0.0025%
POTASSIUM ≤ 0.05%
HEAVY METALS ≤ 5 PPM
ASSAY(DRY BASIS) 99.0% TO 100.5%
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