性状:重无色结晶,在水中分解生成不溶性碱式盐,在稀盐酸溶液中溶解,在空气中逐渐被氧化。溶液中加入金属锡可防止氧化作用。也能溶于乙醇、乙酸乙酯、冰乙酸和氢氧化钠溶液。
熔点:43-46°C
备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准
Q/(HG)SJ 638-88
项目Item 分析纯(AR) 化学纯(CP)
含量(SnCl2·2H2O)Assay,% ≥ 98.0 97.0
澄清度试验Clarity 合格 合格
盐酸不溶物Insoluble matter in hydrochloric acid,% ≤ 0.005 0.01
硫酸盐(SO4)Sulfate,% ≤ 0.003 0.01
铁(Fe)Iron,% ≤ 0.003 0.01
铜(Cu)Copper,% ≤ 0.002 0.005
砷(As)Arsenic,% ≤ 0.0001 0.0002
铅(Pb)Lead,% ≤ 0.005 0.02
碱金属及碱土金属(以硫酸盐计)% ≤ 0.02 0.1
Alkali and alkali erath metals
ACS级
项目名称Item ACS Grade
含量(SnCl2·2H2O)Assay 98.0-103.0%
盐酸中的溶解性Solubility in hrdrochloric acid Passes test
硫酸盐(SO4)Sulfate passes test
钙(Ca)Calcium(Ca) ≤0.005%
铁(Fe)Iron(Fe) ≤0.003%
铅(Pb)Lead(Pb) ≤0.01%
钾(K)Potassium(K) ≤0.005%
钠(Na)Sodium(Na) ≤0.01%
≥99.99% metals basis:
外观Appearance 白色至类白色粉末或结晶
纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP
Assay 98.0 - 103.0 %(Titration by Iodine)
盐酸溶解性Solubility in HCl Pass
钙Calcium (Ca) ≤0.005 %
铁Iron (Fe) ≤0.003 %
钾Potassium (K) ≤0.005 %
钠Sodium (Na) ≤0.01 %
铅Lead (Pb) ≤0.01 %
硫酸根Sulfate Pass
ICP: Confirms Tin Component Confirmed
痕量金属分析Trace Metal Analysis ≤100ppm by ICP Atomic emission
(B、Ba、Ca、Cu、Fe、Mg、Na、Ni、Pb)
≥99.999% metals basis:
外观Appearance 白色粉末
X-射线衍射分析X-Ray Diffraction Conforms to standard
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP
硫酸根sulfate (SO42-): ≤20 ppm
痕量金属分析Trace Metal Analysis ≤20ppm by ICP-MS
Ag: ≤0.2 ppm
Al: ≤0.5 ppm
As: ≤1 ppm
Ba: ≤0.05 ppm
Be: ≤0.05 ppm
Bi: ≤1 ppm
Ca: ≤0.2 ppm
Cd: ≤0.05 ppm
Co: ≤0.2 ppm
Cr: ≤1 ppm
Fe: ≤2 ppm
Hg: ≤0.5 μg/kg
K: ≤0.5 ppm
Li: ≤0.5 ppm
Mg: ≤0.05 ppm
Mn: ≤0.05 ppm
Mo: ≤0.5 ppm
NH4+: ≤10 ppm
Na: ≤0.5 ppm
Ni: ≤1 ppm
Pb: ≤0.5 ppm
Sb: ≤1 ppm
Sr: ≤0.05 ppm
Ti: ≤0.05 ppm
V: ≤0.05 ppm
Zn: ≤0.05 ppm
Zr: ≤0.2 ppm
贮存:密封阴凉处保存。
用途:强还原剂,用于靠AAS进行氢化物测定,比色测定银、铅、砷、钼,测定血清中无机磷及碱性磷酸酯酶活力,钼蓝法测定土壤及植株的含磷量,有机反应催化剂。
联合国编号:3260
Risk:R22- R34-
Safety : S26- S36/37/39- S45-
Hazard : C -