bids are invited for procurement of lab chemicals hydrochloric acid 35 percent ar grade pack size 5 ltr , nitric acid ar grade 69 percent pure pack size 2.5 ltr , perchloric acid ar grade 2.5 ltr pack 69 percent pure , lead oxide lr sq emplura grade pack size 500gm , procelian clay crucible, capacity 50 ml for fire assay analysis parting. , slica crucible bowl dia-3 inch 75mm approx 50 ml capacity, resistant to heat of 900 degree. , gold standard solution 1 thousand ppm 1 hundred ml for aas use with certficate and validty minimum of 2 years , nitric acid supra pure or its equivalent grade purity 69 to 70 percent and ag and au less than 1 ppb with its certficate of analysis , hcl acid supra pure or its equivalent grade purity 35 to 37 percent and ag and au less than 1 ppb with its certficate of analysis , crucible handling long size tong with handel 24 inch ss , muffle furnace heat resistant hand gloves for temp 1100 degree , safety face shield for fire assay handling temp 1100 degree total quantity : 1261