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Tris乙磺酸
Tris乙磺酸 基本信息:
Cas号 | 分子式 | 分子量 | 别名 |
7365-44-8 | C6H15NO6S | 229.25 | Tris乙磺酸 ;2-[(三(羟甲基)甲基)氨基]-1-乙磺酸,三羟甲基氨基甲烷乙磺酸 |
说明介绍:
性状 useful pH range 6.8 - 8.2 pKa (25 °C) 7.5
99%:
外观Appearance white Crystalline Powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity (Titration by NAOH) anhyd. ≥99 %
水溶性Solubility Colorless,Clear,25 g plus 50 ml H2O
水分Water (by Karl Fischer) ≤0.2 %
A290 UV absorbance ≤0.1
(c = 33% w/w)
重金属Heavy Metals (As Lead) ≤5 ppm
品级Grade 超纯级
(Ultra pure,≥ 99.5%(T))
外观appearance white powder
纯度purity by titration ≥ 99.5%
水溶性solubility clear colorless (1 m in water)
干燥损失loss on drying ≤ 1% (110 °C)
灼烧残渣residue on ignition ≤0.1% (SO4, 900 °C)
不溶物insoluble matter passes filter test
氯chloride (cl) ≤ 0.005%
硫酸根sulfate (so4) ≤ 0.005%
铝aluminum (AL) ≤ 0.0005%
arsenic (As) ≤ 0.0001%
barium (Ba) ≤ 0.0005%
bismuth (Bi) ≤ 0.0005%
calcium (Ba) ≤ 0.001%
cadmium (Cd) ≤ 0.0005%
cobalt (Co) ≤ 0.0005%
chromium (Cr) ≤ 0.0005%
copper (Cu) ≤ 0.0005%
iron (Fe) ≤ 0.0005%
potassium (K) ≤ 0.02%
lithium (Li) ≤ 0.0005%
magnesium (Mg) ≤ 0.0005%
manganese (Mn) ≤ 0.0005%
molybdenum (Mo) ≤ 0.0005%
sodium (Na) ≤ 0.01%
nickel (Ni) ≤ 0.0005%
lead (Pb) ≤ 0.0005%
strontium (Sr) ≤ 0.0005%
zinc (Zn) ≤ 0.0005%
A260 (1 m in water) ≤ 0.055
A280 (1 m in water) ≤ 0.045
pH test 3.5 to 5.0 (1 m in water)
贮存 室温
用途 生物研究用Good's缓冲液中的成分
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萘和蒽类
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芘类
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