bids are invited for merck make chemicals as per attached specifications merck make sodium chloride for analysis, product code 1.06404.1000 , merck make sodium hydrogen carbonate for analysis, product code 1.06329.1000 , merck make calcium oxide powder product code 61863905001730 , merck make calcium carbonate precipitated emplura product code 1.93666.0521 , merck make sodium carbonate anhydrous, for analysis, product code 1.06393.1000 , merck make potassium chloride for analysis, product code 1.93238.0521 , merck make sodium sulfite anhydrous for analysis, product code 1.06657.0500 , merck make cobalt _ii chloride hexahydrate,product code 1.93652.0121 , merck make tep 4 technical buffer solution, 1 bottle with 1 l, ph 4.01 product code 108700wt , merck make tep 7 technical buffer solution, 1 bottle with 1 l, ph 7.00 product , merck make tep 10 trace technical buffer solution,1 bottle with 1 l, ph 10.01 product code 108703wt , merck make formaldehyde solution, product code 1.94989.0521 , merck make hexamethylenetetramine for analysis, product code 1.94923.0521 , merck make citric acid anhydrous for analysis, product code 1.93026.0521 , merck make sodium hydroxide pellets, product code 1.93502.0521 , merck make zinc acetate dihydrate for analysis, product code 1.08802.1000 total quantity : 37