Air valve

Carbonate Hardness Test in freshwater and seawater

Chromolith^® WP 300 Epoxy 25-4.6 HPLC column

COD Cell Test for seawater / high chloride contents

Glycerol

丙三醇

Silicate (Silicic Acid) Test

Total Hardness Test in freshwater

Hamilton^® TLC syringes

Hamilton^® 薄层色谱注射器

Propylene Glycol

1,2-丙二醇

Ampoules 10ml

Chromatography funnel

色谱分离用漏斗