tender for purchase of chemicals and glassware , purchase of chemicals & glasswares , kojic acid (98%), 25 g , dopamine hydrochloride, 5g , sodium pyrophosphate, 500 g , l-cysteine, 25 g , hydrogen peroxide 30% (ar), 500 ml , cysteamine hydrochloride, 25g , dimethyl sulfoxide, 99%, 500 ml , n,n,dimethyl formamide 99%, 500 ml , sodium acetate (99%), 500 g , m-phenylenediamine, 250 g , (2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (98%), 1g , glutathione (98%) (reduced), 25g , l-adrenaline, 1g , iso-propyl alcohol (99.5 %) (ar), 500 ml , manganese (ii) chloride tetrahydrate, 500 g , monosodium glutamate, 100 g , bilirubin, 100 mg , papain, 100 g , 2-chloro-6-methylquinoline-3-carbaldehyde, 5g