supply of chemicals and other services required for district water testing laboratory nuh ( mewat ) `- 1 calcium carbonate ( crm ) source-merck, size- 50 gmtraceability -nist, atleast with 2 yr expiry date 2 calibration of auto burette tarsons titertop 50 3 calibration of burette 50 ml ( borosil ) 4 calibration of digital thermometer 5 calibration of glass thermometer 6 calibration of hot air oven 7 calibration of hygrometer 8 calibration of incubator 9 calibration of ion meter hach ( hq-440d multi ) 10 calibration of measuring cylinder 11 calibration of ph meter eutech ( ph -700 ) 12 calibration of pipette 13 calibration of refrigerator ( godrej - edge ) 14 calibration of spectrophotometermerck pharo-100 15 calibration of tds meter oakton ( con-700 ) 16 calibration of turbidity meter eutech tn-100 17 calibration of volumetric flask 18 calibration of weighing balance ( mettler- toledo me-204 ) 19 calibration of weight box 20 edta ( ar grade ) 500 gm-make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 21 eriocrome black-t 25gm, make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 22 fluoride test ( spadns ) 250 ml range 0.02 – 2.0 mg / l make: merck, germany code: 1.00822.0250 23 iron test kit, 1000 tests range 0.005 - 5.00 mg / l make: merck, germanycode:1.14761.0001 24 mac conkey brooth-himedia-500 gm.atleast with2-3 yr expiry date 25 methyl orange 0.04% indicator solution, 125ml make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 26 murexide 5gm, make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 27 nitrate ionic strength adjustor powder pillows intellical, pk / 100 make: hach 28 silver nitrate for analysis 25gm make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 29 sodium carbonate ( crm ) source-merck, size-80 gm traceability -nist, atleast with 2 yr expiry date 30 sodium chloride ( crm ) source-merck traceability -nist, size 80 gm, atleast with 2 yr expiry date 31 sulfate test kit 100 tests range 0.5 –50.0 mg / l make: merck, germany code: 1.01812.0001 32 sulfuric acid 0.02n solution 500 ml, make sd fine / merck / finar / qualigen with atleast 2-3 yr expiry date 33 writing of name of laboratory building ( as required ) with acrylic sheet along with required light