Indicator — Page 8

Tris Base

Tromethamine is a sodium-free amino buffer base, which reacts with H2CO3 in body fluids, reduces H2CO3, and at the same time generates HCO32-, which can absorb hydrogen ions to correct acidemia. It has a strong effect and is transparent It is often used for acute metabolic and respiratory acidemia.

Zinc Acetate

White fine crystal, soluble in water, easily weathered, slightly sour. Reagent for determination of sodium, hydrogen sulfide, protein, chromatographic analysis reagent, mordant used in polyester industry, etc.

Zinc Nitrate Hexahydrate

Zinc nitrate is a colorless tetragonal crystal, which is easy to deliquesce and needs to be stored away from light. It is used for galvanizing machine and bicycle parts, preparing steel phosphating agent, as mordant when dyeing fabrics, as storage agent for dye synthetic articles and as latex coagulant, etc.