bids are invited for chemicals potassium permanganate pct1534 , edta disodium salt pct0105 , potassium nitrate pct0010 , potassium chloride pct0012 , calcium chloride dehydrate pct0004 , magnesium sulphate heptahydrate pct0008 , sodium dihydrogen phosphate pct0013 , ammonium chloride pct0123 , potassium iodide pct0116 , manganese sulphate pct0113 , zinc sulphate heptahydrate pct0118 , cobalt chloride hexahydrate pct0103 , copper sulphate pentahydrate pct0104 , nickel chloride hexahydrate pct0115 , sodium molybdate dehydrate pct0117 , dmso pct1303 , potassium hydroxide pct1560 , murashige and skoog medium vitamins sucrose and agar pt021 , sodium hypochlorite pct1311 , paraffin wax mb265 , buffer capsule_ ph 4.0 la405 , buffer capsule_ ph 7.0 la406 , buffer capsule_ ph 9.2 la407 , fastplug hgfp002 , higrow net pot hgnp001 , absorbent cotton wool la1018 total quantity : 271