చిన్న వివరణ:

Appearance: White crystaline powder Appearance of Solution The soution is cleat an not more intenselylcolournd then reference solution BYR, Water < 1.0% Sulphated Ash ≤ 0.1% Heavy Metals ≤ 5.0% Limit of AIcohol ≤ 5.0% Limit of Formamide ≤ 3.0% Limit of Methanol ≤ 3000ppm Limit of Toluene ≤ 890ppm Related substances Impurities at RRT 1.3 to 1. ≤ 2.5% Individual of all other inmpurities ≤ 1% Total ≤ 5% Assay H2B1a+H2B1b 95%~102.0% H2B1a >90% Functi...