supply of chemical and glassware tools at phed laboratory under division karauli , chemicals: , buffer solution ( citric acid / sodium hydroxide / hydorgen chloride ) , traceable to nist ph 4 . 00 ( 250c ) 500 ml , buffer solution ( potassium dihydrogen phosphate / di-sodium hydrogen phosphate ) , traceable to nist ph 7 . 00 ( 250c ) 500 ml , buffer solution ( boric acid / potassium chloride / sodium hydroxide ) , traceable to nist ph 9 . 00 ( 250c ) 500 ml , fluridde standard solution traceable to srm from nist . naf in h2o 1000 mg / l f 500 ml , calcium carbonate volumetric standard , secondary reference material for complexometry , traceable to nist 50 g , potassium chloride solution ( nominal 12 . 8 ms / cm ) certified reference material for the measurement of electrolytic conductivity , traceable to nist 500 ml , potassium chloride solid certified reference material , traceable to nist 50 gm , nitrate standard solution traceable from nist nano3 in h2o mg / l no3 500 ml , sodium carbonate volumetric standard , secondary reference material for acidimetry , traceable to nist 80 gm , sodium chloride voumetric standard , secondary reference material for argentometry , traceable to nist 80 gm , potassium dichloride volumetric standard , secondary reference material for redox titration , traceable to nist 80 gm , glassware / labware item , pipette measuring capacity 0 . 1ml ( borosil glass ) , pipette measuring capacity 1ml ( borosil glass ) , pipette measuring capacity 5ml ( borosil glass ) , pipette measuring capacity 10ml ( borosil glass ) , pipette measuring capacity 25ml ( borosil glass ) , pipette volumetric 1ml ( borosil glass ) , pipette volumetric 5ml ( borosil glass ) , pipette volumetric 10ml ( borosil glass ) , pipette volumetric 25ml ( borosil glass ) , pipette volumetric 50ml ( borosil glass ) , volumetric flask 100ml ( borosil glass ) , volumetric flask 250 ml ( borosil glass ) , volumetric flask 500 ml ( borosil glass ) , volumetric flask 1000 ml ( borosil glass ) , burette 50 ml ( borosil glass ) , cylinder graduate 50 ml ( borosil glass ) , cylinder graduate 100 ml ( borosil glass ) , digital hygrometer ( nabl certified ) , digital hydrometer ( nabl certified ) , standard weight box ( 1mg-200gm ) ( nabl certified ) , thermometer:-1 . low range ( -100c to 1000c ) 2 . high range ( 00c to 3000c ) ( nabl certified ) , double distillition plant ( quartz , 1 . 5 ltr / hour output capacity ) ( quartz )