bids are invited for ethylene diaminetetraacetic acid disodium salt (edta) - ethylene diaminetetraacetic acid disodium salt (edta) , sodium borate - sodium borate , di- sodium hydrogen phosphate na2hpo4 - di- sodium hydrogen phosphate na2hpo4 , 2- ethoxyethanol - 2- ethoxyethanol , sodium lauryl sulfate - sodium lauryl sulfate , n- octanol - n- octanol , sodium sulfite anhydrous - sodium sulfite anhydrous , suphuric acid ar - suphuric acid ar , n-cetyl. n.n.n. trimethyl ammonium bromide (gr) -cetrimide - n-cetyl. n.n.n. trimethyl ammonium bromide (gr) -cetrimide , hydrochloric acid ar - hydrochloric acid ar , ethanol ar - ethanol ar , iso-propanol ar - iso-propanol ar , toluene ar - toluene ar , sodium hypochlorite solution 4-6% - sodium hypochlorite solution 4-6% , dichloromethane ar - dichloromethane ar , chloroform ar - chloroform ar , methanol ar - methanol ar , ethanediol ar - ethanediol ar , hydroxylamine hydrochloride ar - hydroxylamine hydrochloride ar , sodium hydroxide ar - sodium hydroxide ar , vanillin ar - vanillin ar , potassium dihydrogen phosphate ar - potassium dihydrogen phosphate ar , sodium chloride ar - sodium chloride ar , ammonium chloride ar - ammonium chloride ar , calcium alginate ar - calcium alginate ar , methyl orange indicator - methyl orange indicator , guaiacol - guaiacol , azure b - azure b , tannic acid ar - tannic acid ar , sodium acetate ar - sodium acetate ar , sodium tartarate ar - sodium tartarate ar , mangnese sulphate ar - mangnese sulphate ar , hydrogen peroxide 30% solution - hydrogen peroxide 30% solution , ferric ammonium citrate ar - ferric ammonium citrate ar , boric acid ar - boric acid ar , bg-11 media (for microalgae) - bg-11 media (for microalgae) , potato dextrose agar (pda) - potato dextrose agar (pda) , agar agar - agar agar , czapek dox broth (veg.) - czapek dox broth (veg.) , dextrose peptone broth (glucose peptone agar) - dextrose peptone broth (glucose peptone agar) , yeast extract powder type-i - yeast extra