Celite 281;, MilliporeSigma, Quantity: Each of 1 | Fisher Scientific
Tris 碱/Tris-base/Sigma/ V900483 500g Trizma 碱500g/不含【图片价格品牌报价】-京东
Tris Base, Ultrol Grade - CAS 77-86-1 - Calbiochem Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25 C. Absorbance (1.0 M, H2O, 260 nm):0.05. 77-86-1
Tris(Tris-base)Amresco | 山有行有限公司
3 kg Trizma Base Reagent Grade Sigma T-1503 Purity 99.9% FW 121.1 | eBay