bids are invited for instrument chemicals glassware and consumables nitric acid supra pure , hydrochloric acid supra pure , l glutamic acid certified reference material traceable to nist , glucose certified reference material traceable to nist , cod low 0 toppm range reagent vials , ammonia low level ionic strength adjuster isa ph adjusting isa for ammonia electrode cat no 951211 thermoscientific , alkaline reagent for ammonia electrode cat no 951011 thermoscientific , ammonia calibration standard 1000 ppm ammonia as nitrogen standard cat no 951207 thermoscientific , ammonia electrode storage solution cat no 951213 thermoscientific , ammonia electrode compatible with eutech 2700 ion meter model example thermo scientific orion high performance ammonia ise, cat no 9512hpbnwp , fluoride ionic strength adjustor tisab ii thermo fisher cat no 940999 , nitrate electrode compatible with eutech 2700 ion meter model , nitrate calibration standard 1000 ppm as n nitrate calibration standard cat no 920707 thermo fisher , nitrate ionic strength adjustor isa cat no 930711 , potassium hydrogen diiodate or potassium biiodate , silica standard solution 100 or 1000 mg per l as sio2 traceable to nist , sodium bisulphite ar grade , nitrite standard solution, crm traceable to srm from nist 1000 mg per l no2 n in h2o or nitrite crm , sodium oxalate certified reference material for titrimetry certified by bam more than 99.5 percentage , boron standard solution traceable to srm from nist h2bo2 in h2o 1000 mg per l b certipur , phosphate standard solution traceable to srm from nist kh2po2 in h2o 1000 mg per l po2 certipur , ethyl alcohol , curcumin, analytical reagent grade merck , formazine 1000ntu solution , nitric acid ar grade , turbidity bottles clean glass test tube 60mm height x 25mm diameter 1 25 total quantity : 150