Tender For supply of chemicals and glasswares - sulphonic acid , boric acid powder 99.5% extra pure , cobalt (ii) sulphate heptahydrate 97% extra pure , nickel sulphate hexahydrate 98% extra pure , tri-sodium citrate dihydrate 98% extra pure , sulphanilic acid 99% extra pure , l(+) tartaric acid 99.5% extra pure , l(+) tartaric acid 99.5% extra pure , citric acid monohydrate 99% extra pure , ammonium chloride 99% extra pure , potassium hydroxide pellets 85% extra pure , sodium chloride 99.5% extrapure , zinc sulphate heptahydrate 99% extra pure , zinc chloride dry 97% extrapure , l-ascorbic acid 99% extra pure , cobalt (ii) chloride hexahydrate 97% extra pure , ferrous chloride hydrated 98% extra pure , nickel chloride hexahydrate 98% ar , ferrous sulphate heptahydrate 98.9% extra pure , ferric chloride anhydrous 98% extrapure , thiaminehydrochloride 98.5% for biochemistry , glycine 98.5% extra pure , calcium chloride (fused) 95% extra pure , sodium tungstate dihydrate 98% extra pure , sodium gluconate 98% for synthesi , iron sulphate heptahydrate reagentplus , iron sulphate heptahydrate emplura , varadyl sulphate hydrate , buffer tablets ph 4.00 , buffer tablets ph 7.00 , buffer tablets ph 9.20 , beaker low form with spout double graduated 250ml , glass rod (for stirring) kx200 , combined electrode , platinum electrode , saturated calomel electrode , pee roll , cotton roll absorbent