Tender For supply of chemical - heptafluoro butyric acid ar , tert butyl hydroperoxide solution ar , tetrabutyl ammonium hydroxide 10 , triphenyl acetic acid ar grade , laboratory reagent neutral , gadolinium sulphate ar grade , phthaldialdehyde ar grade , thioglycolic acid ar grade , acetone hplc grade , aniline ar grade , butane sulphonic acid sodium salt hplc grade , methanol for gas chromatography , diethyl ether ar grade , glycerol ar grade , ninhydrin ar grade , potassium sulphate ar grade , tetrahydrofurane ar grade , silver nitrate ar grade , nitrobenzene ar grade , petroleum ether 40 60 ar grade