Reference reagent Superior pure reagent Analytical and chemical reagent Indicator Biological stain Biochemical reagent Resin products Karl fischer reagent Reagent large package

PH meter calibration standard solution PH buffer / solution Conductivity standard solution for conductivity meter calibration Chromaticity Standard Metal ion spectrum standard solution Molar powder Standard solution for titrimetric analysis Pharmacopoeia Titrant Pharmacopoeia test solution Pharmacopoeia indicator solution Pharmaceutical buffer solution Standard solution for impurity determination Standard solution for verification of liquid chromatograph Water quality oxidation reduction potential standard solution Petroleum component mixed standard solution Standard solution of trace metals in petroleum Standard solution of trace nonmetallic in petroleum Standard solution of nitrogen compounds in petroleum Standard solution of chlorine compounds in petroleum Standard for bromine price and bromine index in petroleum and oil products Standard solution for salt content in petroleum Mixed standard solution Organic standard solution for environmental testing Mixed standard solution for environmental testing Single element standard solution for environmental analysis Environmental testing kit

High purity reagent Spectroscopic reagent

High pressure liquid chromatography eluant Gas chromatographic standard Chromatographic stationary phase / support Ion chromatography Chromatographic consumables

Palladium series Platinum Series

Culture medium series1 Culture medium series2