tender for supply of lab instrument material-- ph meter conductivity meter digital potentiometer borosilicate glass viscometer refractometer weight balance magnetic stirrer colorimeter suction pump water bath/thermostat distilled water plant. hot air oven paper chromatography setup thin layer chromatography uv spectrophotometer water bath stopwatch periodic table chart laboratory apparatus chart polarimeter desiccator hot plate centrifuge refrigerator deep freezer muffel furnace a.reference electrodes saturated calomel electrode. calomel electrode silver-silver chloride electrode (ag/agcl) mercury-mercurous sulphate electrode b.metal-metal lon electrodes zinc-zinc ion (znzn] c. redox electrodes platinum electrode (pt | fe/fe) platinum electrode (pt | ce**/ce) glass electrodes e.conductometry conductivity cell gooch crucible thermometer(1/100, 3600) desiccators clay pipe triangle iron & wooden ware bunsen burners tripod stand tron stand wire gauze burette stand test tube stand pair of tongs test tube haider spirit lamp mortar and pestle spatula tongs crucible tongs safety goggles hair dryers laboratory tray wash bottle fire extinguisher test tube rack laboratory lighter chart of rat digestive system chart of rat lungs chart of rat heart chart of rat kidney chart of rat testis chart of rat ovary chart of rat brain chart of types of linkage chart of process of crossing over chart of chromosomal mutation chart of life of tapeworm & ascaris chart of canal system of sycon chart of fossil evidence chart of venomous & non venomous snake chart of stage of estrous cycle chart of central dogma chart of genetic code chart of chick embryo 48 hrs comparative chart of sikin of vertebrates comparative chart of digestive system comparative chart of respiratory system comparative chart of heart comparative chart of brain comparative chart of kidney comparative chart of sense organ animal cell and plant cell charts frog anatomy charts human digestive, circulatory, respiratory system charts etc