黄宏扮演黄世人的小品:Tris缓冲液理化性质?

来源:百度文库 编辑:高校问答 时间:2024/05/06 22:58:23
Tris缓冲液很常用。请问它有什么性质?组成是什么?

Tris

CAS NO.: 77-86-1

分子式: (HOCH2)3CNH2

分子量.: 121.14

(1) 规格:

外观:白色结晶

含量:≥99.5 %

熔点:168-172℃

水不溶物:≤0.01%

强热残份:≤0.05%

重金属(as pb):≤5PPM

干燥失重:≤0.2%

吸光度(260nm):≤0.2

PH(0.1mol/L, 25℃):10.0-10.8

Fe:≤1PPM

SO42+:≤5PPM

Cl:≤5PPM

Appearance: white crystal

Content: ≥99.5%

Melting point: 168-172℃

Loss on drying: ≤0.2%

ASH: ≤0.05%

PH (0.1mol/L, 25℃):10.0-10.8

Insoluble in Water: ≤0.01%

ABS (260nm): <0.2

Heavy metals: ≤5PPM

Fe: 1PPM

SO42+: ≤5PPM

Cl: ≤5PPM

别名: 三羟甲基氨基甲烷; 2-氨基-2-羟基-1,3-丙二醇; 氨丁三醇; 缓血酸铵; 三甲醇氨基甲烷; Trishydroxymethylaminomethane; 2-amino-2-hydroxymethylpropanediol; THAM; TRIS; tris base; Tris buffer; free base; Tris(hydroxymethyl)methylamine; Trizma; trizma base; Trometamol; Tromethamine; Tromethane

Usage: 用作缓冲剂。Tromethamine is used as an intermediate for the preparation of surface active agents, vulcanization accelerators, and pharmaceuticals, and used as a titrimetric standard.

真棒!

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