purchasing of lab chemical for 34 mgd tp kolar year ( 2022-23 ) , purchasing of lab chemical for 34 mgd tp kolar , murexide ( ammonium purpurate ) cat no- 1.06161.0005, pk -5 gm, make-merck / avarice / thermofisher , ammonium peroxodisulfate emplura cat. no. 1.93628.0521 hsn code 28334000 make-merck / avarice / thermofisher packing 500gm , ammonia buffer solution 500 ml cat. no. 61759205001730, hsn code 28334000 make merck / avarice / thermofisher, packing 500ml , ammonium acetate emplura cat. no. 1.93617.0521 hsn code 28334000 make merck / avarice / thermofisher, packing 500gm , acetic acid glacial 100% for analysis emparta cat. no. 1.93002.0521, pk- 500 ml, make merck / avarice / thermofisher , ammonia solution 28-30% emparta, cat no -1.93101.0521, pk –500 ml , make - merck / avarice / thermofisher , ammonium thiocyanate crystals ar cat no- 03164, pk- 500 gm, make-merck / avarice / thermofisher , barium chloride dihydrate for analysis cat no-1.93258.0521, pk-500 gm, make –merck / avarice / thermofisher , buffer solution 4 ph cat. no. 1.09475.0500 hsn code 28334000 , packing 500ml make-merck / avarice / thermofisher , buffer solution 7 ph cat. no. 1.09477.0500 hsn code 28334000 make-merck / avarice / thermofisher, packing 500ml , buffer solution 10 ph cat. no .1.09409.0500 hsn code 28334000 make-merck / avarice / thermofisher, packing 500ml , chloroform emplura cat. no . 1.94506.0521 hsn code 28334000 make merck / avarice / thermofisher, packing 500ml , e.d.t.a.solution n / 50 ( 0.02n 500 ml cat. no.61760405001730, hsn code 28334000 make merck / avarice / thermofisher, packing 500ml , hydrochloric acid about 37% for analysis emparta cat. no. 1.93001.0521 hsn code 28334000 make-merck / avarice / thermofisher, packing 500ml , hydrogen peroxide 30% for analysis cat. no. 1.93007.0521 hsn code 28334000 make merck / avarice / thermofisher, packing 500ml , macconkey broth ( double strength ) w / neutral red cat no -m539s-500g, pk – 500gm , make – himedia , toluene emplura cat. no. 1.08323.0521 hsn code 28334000 make-merck / avarice / thermofisher, packing 500ml , ortho-phosphoric acid 88% for analysis emparta cat. no- 1.93003.0521, hsn code - 28092010 make-merck / avarice / thermofisher , packing 500 ml , potassium iodide for analysis emparta cat. no. 1.93201.0521 hsn code 28334000 make-merck / avarice / thermofisher, packing 500gm , sulfuric acid about 98% for analysis emparta cat. no. 1.93000.0521 hsn code 28334000 make-merck / avarice / thermofisher , packing 500ml , sulfuric acid 0.02n solution ( n / 50 ) cat no-61846305001730, pk-500 ml, make-merck / avarice / thermofisher , sodium hydroxide pellets ( low chloride ) for analysis emparta cat. no .1.93102.0521 hsn code 28334000 make-merck / avarice / thermofisher, packing 500gm , sodium hydroxide soution n / 10 ( 0.1 n ) cat no-60914105001730, pk-500 ml, make-merck / avarice / thermofisher , sodium thiosulphate 0.1 m ( 0.1n ) volumetric solution ( n / 10 ) cat no- 02725, pk- 500 ml, make- merck / avarice / thermofisher , silver nitrate for analysis emparta cat. no . 1.93200.0027 hsn code 28334000 make-merck / avarice / thermofisher, packing 25gm , potassium dichromate for analysis emparta cat. no 1.93215.0521 hsn code 28334000 make merck / avarice / thermofisher, packing 500gm , mercury ( ii ) sulfate for analysis emparta cat. no 1.93220.0251 hsn code 28334000 make-merck / avarice / thermofisher, packing 250gm , nitric acid about 69% for analysis emparta cat. no 1.93006.0521, hsn code 28334000 make-merck / avarice / thermofisher, packing 500 ml , potassium iodide for analysis emparta cat. no 1.93201.0121, pk-100 gm, make-merck / avarice / thermofishera , dishes, petri, unlimited autoclavable cat no- 2375542, size-80x15 mm, make- riviera / borosil / jsil , m 7 hr fc agar cat no-m635-500g, pk-500 gm, make-himedia , gst as per applicable