4-羟基苯甲酸甲酯 [尼泊金甲酯],Methyl 4-hydroxybenzoate;BioXtra, ≥99.0% (titration)
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十水合四硼酸二钠,di-Sodium tetraborate decahydrate;certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18₀ (25°C) Certipur®
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百里酚蓝,Thymol Blue;ACS reagent
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吡咯烷二硫代氨基甲酸铵,Ammonium pyrrolidinedithiocarbamate [APDC, PDC, PDTC];purum p.a., ≥98.0% (NT)
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4-羟基苯基磷酸(二苯基)酯,4-Hydroxyphenyl Diphenyl Phosphate
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吐温40,TWEEN® 40;viscous liquid
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凝血酶来源于人类血浆,Thrombin from human plasma [Factor IIa];lyophilized powder, ≥1,000 NIH units/mg protein (E1%/280, 18.3)