bids are invited for ammonia buffer solution - ammonia buffer solution-packing size 500 ml , patton and reeders - patton and reeders indicator(ar)-packing size 5 g , bromocresol green - bromocresol green indicator-packing size 5 g , methyl red indicator - methyl red indicator solution 0.1% -packing size125 ml , silver nitrate 0.1 normal - silver nitrate 0.1 normal (n/10) volumetric solution(ar)- packing size 500 ml , tetrachloroethylene - tetrachloroethylene(ar)- packing size 500 ml , anhydrous sodium sulphate - anhydrous sodium sulphate-packing size 500 g , hydrazine sulphate - hydrazine sulphate-packing size 100g , xylene - xylene(ar)- packing size 2.5 l , toluene - toluene(ar)- packing size 2.5 l , 1-butanol - 1-butanol/ n-butanol(ar)- packing size 500 ml , isopropanol - isopropanol/ iso-propyl alcohol(ar)-packing size 500 ml , methanol - methanol(ar)- packing size 500 ml , potassium chromate - potassium chromate- packing size 500 g , hexamine - hexamine-packing size 500 g , potassium chloride - potassium chloride- packing size 500 g , fused calcium chloride - calcium chloride (fused)- packing size 500 g , buffer capsule ph 4 - buffer capsule ph 4-packing size minmum 10 tablets/packet , buffer capsule ph 7 - buffer capsule ph 7 -packing size minmum 10 tablets/packet , buffer capsule ph 9.2 - buffer capsule ph 9.2-packing size minmum 10 tablets/packet , whatman glass microfiber filter paper - whatman glass microfiber filter paper, grade 934-ah-packing size minmum 100 pieces/packet , filter paper mixed ester cellulose membrane - filter paper mixed ester cellulose membrane-packing size minmum 100 pieces/packet , whatman qualitative filter paper, grade 1 - whatman qualitative filter paper, grade 1-packing size minmum 100 pieces/packet total quantity : 393