產(chǎn)品名稱 廠家 貨號 規(guī)格
Tris 三羥甲基氨基甲烷 Amresco 0497 500g
Tris 三羥甲基氨基甲烷 Amresco 0497 5kg原裝
Tris 三羥甲基氨基甲烷 Amresco 0497 25kg原裝
Ultra Pure Grade
C4H11NO3 MW: 121.1
Purity (%) .........................≥99.9
Water (KF) (%) ......................≤1.0
Insolubles (%) ....................≤0.005
Abs.@280nm (1 M, Water) ............≤0.05
Abs.@290nm (40%, Water) .............≤0.2
Abs.@400nm (40%, Water) ............≤0.05
Lead (%) .........................< 0.0001
Iron (%) .........................< 0.0001
Identification .......................PASS
Arsenic (%) ......................< 0.0005
Copper (%) .......................< 0.0001
Magnesium (%) ....................< 0.0005
Melting Point ..................168°-172°
pH (5%, Water) @25°C ...........10.0-11.5
Storage.................................RT
body {font-size: 9pt}