硫酸钙二水合物,Calcium sulfate dihydrate;puriss., meets analytical specification of NF, E 516, 99.0-101.0% (based on anhydrous substance)
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丙二醇单甲醚乙酸酯,Propylene glycol monomethyl ether acetate [PGMEA, PMA, MPA];ReagentPlus®, ≥99.5%
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4-硝基苯基磷酸盐二钠盐六水合物 [磷酸酶底物, pNPP二钠盐六水合物],4-Nitrophenyl phosphate disodium salt hexahydrate;powder, ≥97%
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4-(二甲基氨基)苯甲醛,4-(Dimethylamino)benzaldehyde [DMAB, Ehrlich’s reagent];suitable for microbiology
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8-羟基喹啉,8-Hydroxyquinoline [8-Quinolinol, QOH];ACS reagent, 98.5%
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乙酸钠 [醋酸钠],Sodium acetate;Redi-Dri™, free-flowing, anhydrous, ReagentPlus®, ≥99.0%
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MOPS半钠盐,MOPS hemisodium salt;≥99% (titration)