tender for water quality monitoring system distt. faridabad 2024-25. dnit for the work supply of various types of chemicals and glassware like crm of ph buffer and glassware etc. in all respect for divisional laboratory phed no. 1, faridabad and all other work contingent thereto- 1 -edta solid 100gm 2 potassium nitrate 99% ( 500g). 3 -_ methyl orange indicator (2.9 to 4.6 ph) 125ml 4 -_ supply of crm of ph buffer-7(500ml) 5 methyl red solution 6 -hach sulphate for spectrophotometer (1x100) category no. 2106769 7 1-10 phenanthroline monohydrate (25g) 8 ammonium buffer solution (merck) 500ml...... 9 ammonium purpurate solid 5 gm.. 10 bromocresol green sodium - methyl red indicator 11 copper sulfate pentahydrate ( 500g) 12 crm of calcium carbonate 13 crm of fluoride (merk) 500 ml,..,,. 14 crm of iron (merk) 500 ml 15 crm of nitrate (merk) 500 ml,.,. 16 crm of potasium dichromate (80g),.,. 17 crm of sodium carbonate,.,.. 18 crm of sodium chloride 19 crm of sulphate (merk) 500 ml..,.,. 20 edta 0.02n or n/50 (merck) 500ml ,., 21 eriochrome black t indicator solid 25 gm... 22 hach iron for spectrophotometer (1x100) category no. 2105769 . 23 hach nitrate for spectrophotometer (1x100) category no.2106169 24 hydrochloric acid 35% ( 500ml) . 25 isa fluoride (merck/thermo fisher) 500ml,., 26 isa nitrate (merck/thermo fisher)500ml,.,. 27 macconkey broth w/neutral red 500gm . 28 n/10 sodium hydroxide (merck) 500 ml 29 phenanthroline solution 125 ml 30 potasium chromate solid 500g 31 potassium chloride solution 0.147 ms/cm (pack 30 30ml) merk .,.,. 32 silver nitrate (0.0141 n) 500 ml (merck) ,., 33 silver nitrate (crystal solid) 25gm ,.., 34 sodium fluoride (500g) 35 sulphuric acid (0.02n) 500ml (merck) ,. 36 -_ fluoride (spands) 500ml 37 -_ supply of crm of ph buffer-10(500ml) 38 -_ supply of crm of ph buffer-4(500ml)