Supply Of Zinc Standard Solution,aluminum Standard Solution,mercury Hg Standard,iron Fe Standard,oil And Grease,cod Standard,total Hardness Standard,chloride Standard,manganese Standard,ph Buffer Solution Ph 9 Point 2,ph Buffer Solution Ph 7 Point 0,conductivity Standard Solution 1413 Microsiemens Per Cm,nitrate Standard Solution,sodium Standard Solution,magnesium Standard Solution Quantity: 15 Delivery/work location: Kolkata, West Bengal. Bid closing date: 27-08-2026.

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