英文名称:Ammonium acetate;Acetic acid ammonium salt 其他名称:乙酸铔;醋酸铵;乙酸铵盐;醋酸氨 CAS号:631-61-8 C2H7NO2=77.08 级别:AR 含量:≥98.0% pH(50g/L,25℃):6.5~7.5 澄清度试验:合格 钙:≤0.001% 还原高锰酸钾物质:≤0.01% 硫酸盐:≤0.002% ...
2024年 9月 24日 By 西玛试剂 Off 西格玛订货编号 Sigma化学试剂订购名称 试剂规格及用途 C1022 胭脂红 ≥42.0% purity, powder B8438 阿尔新蓝 溶液 1% in 3% acetic acid, pH 2.5 N3013 尼罗红 Powder F7378 荧光素二乙酸盐 Powder D4506 4-(二甲基氨基)肉桂醛 >97.5% purity (HPLC), powder D8802 ...
PH=1010升RDH原装2500 H0044磷酸盐缓冲液/Phosphate Buffer solutionBR500毫升国药300RT H0045碳酸盐缓冲液/Carbonate Buffer solutionBR500毫升国药300RT H0046TRIS-HC1缓冲液/三羟甲基氨基甲烷盐酸盐缓冲液/TRIS-HC1 Buffer solutionBR500毫升国药300RT H0047醋酸钠醋酸缓冲液/Sodium acetate -Acetic acid Buffer solu...
P7170 丽春红S染液(零售包装) 溶液 BioReagent, 0.1 % (w/v) in 5% acetic acid SHH0002 NOVEC™ 7100工程化液体 ≥99.5% purity, liquid P3683 Paraplast Plus® for tissue embedding C5132 咔唑 ≥95% purity (GC), powder C6767 刚果红 Dye content ≥35 %, Powder M9140 亚甲蓝 Dye content...
Acetic acid is widely used in manufacturing either as starting material or solvent; in the food industry, dilute solutions are used for preparation and preservation. Because acetic acid is a "weak acid", it is effective as buffer at pH 4.75 " 1. This buffer can be prepared by titrat...
F6605-25G 3-Fluorobenzoic acid 243426-100G Strontium nitrate 235938-100G Tetraethylammonium iodide D4000-10G trans-Dehydroandrosterone 45511-250MG Fluridon I4386-10G Iodoacetic acid P2926-25G Potassium tetrathionate T6397-100MG 3,3′,5-Triiodo-L-thyronine sodium salt ...
Sigma Chemical 产品说明书
琥珀酰化可以生成一种能够在 pH 高于 5.6 时仍保持二聚体形式的活性二聚体。 Preparation Note Produced from whole Jack beans (J0250) using acetic acid by the method of Olson and Liener.1 Quality 高度纯化 性质 Related Categories Bioactive Small Molecules CI-CY Cell Biology Cell Signaling and ...
活力定义:One unit will oxidize 1.0μmole of acetaldehyde to acetic acid per min at 25°C at pH 8.0 in the presence ofβ-NAD+, potassium and thiols Protein:≥5.0% biuret 性状(以下信息仅供参考):白色粉末。Contains trehalose, potassium phosphate and citrate buffer salts, dithiothreitol, and trac...
7758-99-8|结晶硫酸铜,Acetic acid glacial,98%价格:￥25/瓶产品详情:公司简介:上海创赛科学仪器有限公司(ShanghaiCanspecScientificInstrumentsCo.,Ltd.)(以下简称:上海创赛),是一家致力于实... Sigma|12849|7758-99-8|硫酸铜 五水合物|Copper(II) s...相关供应商报价更多> ...