supply of laboratory chemicals , supply as per following specifications , lab ind- methyl orange , lab ind-methyl blue-ar / gr grade , lab ind-muroxide powder- ar / gr , lab chem- n - butyl alcohol ar , lab chem- naphthalene acetic acid , lab chem - neda ar , lab chem - nessler reagent , lab chem - nitric acid ar , lab chem - oxalic acid dihydrate ar , lab chem- pdab a . r . , lab ind-phenolphthalein , lab chem- potassium carbonate- ar , lab chem-potassium chloride-ar , lab chem-potassium chromate- ar , lab chem - potassium dichromate ar , lab chem-potassium dihydro phosphate-ar , lab chem - potassium nitrate ar , lab chem - potassium permangnate ar , lab chem - potassium persulphate ar , lab chem - pottasium pyrosulphate ar , lab chem - potassium sulphate ar , lab chem-potassium hydrogen phthalate ar , lab chem-salicylic acid a . r , lab chem-sodium carbonate ar , lab chem-sodium potassium tartarate-ar , lab chem-sodium silicate ar , lab chem -sodium sulphite ar , lab chem - stannus chloride- ar , lab chem - starch soluble ar , lab ind- thymol blue , lab ind- universal indicator solution , lab chem - urea ar , lab chem - citric acid monohydrate ar , lab chem - methanol ar , lab chem - calcium chloride , dihydrate ar , lab ind-1:10 phenanthroline monohydrat , lab chem - boric acid ar , lab chem hydrofouric acid ar ( 48% ) , lab chem - oxalic acid dihydrate ar , lab chem - sodium bisulphite ar