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促销价：118元/500g          958元/10×500g

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现货供应！！！

TRIS

(TRIS(HYDROXYMETHYL)AMINOMETHANE)

Ultra Pure Grade

C4H11NO3 MW: 121.1 [77-86-1]

Purity (%) ................................................................................................> 99.9

Water (KF) (%) ..........................................................................................< 1.0

Insolubles (%) ....................................................................................... 7 0.005

Abs.@280nm (1 M, Water) .................................................................... 7 0.05

Abs.@290nm (40%, Water) ..................................................................... 7 0.2

Abs.@400nm (40%, Water) ................................................................... 7 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

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买试剂找前尘，质量有保证！！价格合理，欢迎您的来电！！

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