bids are invited for chemicals acetic acid , formic acid , acetonitrile , methanol , ethyl acetate , nitric acid , h2o2 , isooctane , carbon disulphide , thiram standard solution , stannous chloride , hydrochloric acid 35 percent purity , folic acid , l- ascorbic acid , alpha amylase , potassium hydrogen phosphate buffer , cyanocobalamin vitamin b12 , sodium acetate buffer , column gc -ms-ms , column lc -ms-ms , column lc -ms-gold , 10 microliters autosampler injection syringe , quechers extraction kit , quechers cleanup kit , 2 ml vials , 2 ml vials cap septa , 0.2 micro nylong syringe filter , 2 ml disposable syringe , 5 ml disposable syringe , centrifuge tubes 15ml , centrifuge tubes 50ml , nitrile gloves large , nitrile gloves medium , volumetric flask 10 ml , volumetric flask 25 ml , volumetric flask 50 ml , volumetric flask 100 ml , beaker 100 ml , beaker 500 ml , beaker 50 ml , beaker 1000 ml , plastic volumetric flask 50 ml , crm storage vials 15 ml amber colour , ptv liner for gcms ms , ion source insulator for gcmsms , volumetric flask 1000 ml , thermo triple he-specific fliter , glass bottle 250 ml , lint free tissue paper , test tube stand , nylon syringe filters 0.45 micro meters , ria vials 50ml , amber coloured volumetric flasks 10 ml , amber coloured volumetric flasks 50 ml , filter paper 0.45 micro meters , iron , lead , copper , arsenic , cadmium , lutetium , nickel , chromium , iss of rhodium,indium and thulium , tin , gold , antimony , mercury total quantity : 12727