双硫腙 [铅试剂],Dithizone;ACS reagent, for spectrophotometric det. of Cd, Cu, Hg, Pb, Zn, ≥98.0% (TLC)
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胃蛋白酶来源于猪胃粘膜,Pepsin from porcine gastric mucosa;lyophilized powder, ≥2,500 units/mg protein (E1%/280) -
葡聚糖凝胶G50细颗粒,Sephadex G-50 Fine -
2-(3-仲丁基-5-叔丁基-2-羟苯基)苯并三唑,2-(2H-Benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol -
菲洛嗪一钠盐 [菲啰嗪一钠盐],3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4′,4′′-disulfonic acid sodium salt [PDT];BioXtra -
核糖核酸酶抑制剂来源于人 [RNA酶抑制剂],Ribonuclease inhibitor human [RNasin];Inhibits ribonucleases during transcription and translation experiments, 30,000-50,000 units/mL -
胃蛋白酶来源于猪胃粘膜,Pepsin from porcine gastric mucosa;powder, ≥250 units/mg solid
