现货供应
500ml ¥155
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TWEEN® 20
(POLYOXYETHYLENE-20-SORBITAN MONOLAURATE)
Reagent Grade
[9005-64-5]
Hydroxyl Number ..................................................................................96 - 108
Water (KF) (%) ..........................................................................................< 3.0
Residue on Ignition (%) ........................................................................... < 0.25
Heavy Metals (%) ................................................................................... < 0.001
DNase ........................................................................................ None Detected
RNase ........................................................................................ None Detected
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