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Sigma/西格玛Trizma 碱 Primary Standard and Buffer, ≥99.9% (tit
原厂型号:T1503-25KG
参数:
包装:25kg
Sigma/西格玛缓血酸胺 meets USP testing specifications(CAS:77-86-1)
原厂型号:T6687-25KG