Sorbic acid,tested according to Ph. Eur.

Saponin,used as non-ionic surfactant

N-Acetyl-L-glutamic acid,ReagentPlus, 99%

D-(-)-Isoascorbic acid,98%

Polyvinylpyrrolidone,powder, average Mw ~55,000

Chloramine-T hydrate,95%

Eriochrome Black T,ACS reagent (indicator grade)

Sulfamic acid,analytical standard (for acidimetry), ACS reagent

Sulfamic acid,analytical standard (for acidimetry), ACS reagent

Salicylamide,99%

Docusate sodium salt,purum, >=96.0% (TLC)

Taka-Diastase from Aspergillus oryzae,powder, slightly beige, ~100 U/mg