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中文名称英文名称CAS 编号规格目录价所属品牌订货号
硫酸铵Ammonium sulfate7783-20-2500G480.00SIGMAA4418
硫酸铵Ammonium sulfate7783-20-21KG800.00SIGMAA4418
硫酸铵Ammonium sulfate7783-20-25KG3,040.00SIGMAA4418
品牌SIGMA
产品名称 硫酸铵 : Ammonium sulfate ——【产品编号:SIGMA-A4418】
CAS编号7783-20-2
别名硫铵石,铵矾,硫铵,硫氨,Mascagnite
级别分子生物级
纯度&分析for molecular biology, ≥99.0%
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分子式(NH4)2SO4
分子量132.14
储存条件常温避光保存。
性质
grade for molecular biology
assay ≥99.0%
impurities ≤0.005% Insolubles
mp >280 °C (dec.)(lit.)
density 1.77 g/mL at 25 °C(lit.)
anion traces chloride (Cl-): ≤5 ppm
cation traces Cu: ≤5 ppm
  Fe: ≤5 ppm
  Zn: ≤5 ppm
  heavy metals (as Pb): ≤2 ppm
absorption A1M/260 ≤0.03
  A1M/280 ≤0.025
foreign activity DNase, RNase, and protease, none detected
原产地美国
描述

Application

May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.

供货状态True
参考文献

Precipitation techniques. Englard, S. and Seifter, S. Meth. Enzymol. 182, 285-300, (1990)

Crystallization of transfer ribonucleic acids. Dock, A.C., et al. Biochimie 66, 179-201, (1984)

Improved crystals of Thermus thermophilus prolyl-tRNA synthetase complexed with cognate tRNA obtained by crystallization from precipitate. Yaremchuk, A., et al. Acta Crystallogr. D. Biol. Crystallogr. 56, 197-199, (2000)

Purification of antibodies using ammonium sulfate fractionation or gel filtration. Kent, U.M. Methods Mol. Biol., (1999) 115, 11-18

Merck 14,555

FT-IR 2 (3), 4751:A / FT-IR 1 (2), 1261:B / IR-Spectra (3), 1521:E / IR-Spectra (3), 762:C / RegBook 1 (3), 3439:D / Sax 6, 268

类型BSZH 高等级基础试剂
安全信息
个人防护装备 Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK德国 1
RTECS BS4500000