Supply and delivery of chemicals and consumables required for Water Testing of 4 Nos. PHED Managed Laboratories, 1No. District Laboratory and 4 Nos. NGO Managed Laboratories under Birbhum Division, PHE Dte.

Amount

Supply & delivery of Chromogenic Coliform Agar, for simulteneous determination & count of Escherichia coli and Total coliforrns in water samples as per ISO 9308-1:2014, lOOgm pack MercklHimedia

ConsurnabIes for Bacteriological analysis by MF technique, Membrane Filter- Cellulose Nitrate, Sterile- individually packed, white membrane, gridded, 47mrn dia, 0.45 micron porosity, pack of 100 circles MerckIHimedia/ Axiva

Sterilising Ether Solvent (Biosol) (450ml/PACK)

Consumables for Bacteriological analysis by MF technique. Radiation Sterilie Plate 15X60mm, 250 nos a pack

EDTA N!50 Solution, for Total Hardness Hardness analysis (500mlfPACK) Make: MerckIFisherlSigmalFinar

Ammonia buffer solution for Total Hardness analysis (500ml/PACK) Make: MercklFisherlSigmalFinar

Eriochrome Black T indicator for Total Hardness analysis (25gmfPACK)(25gmfPACK) Make: MerckIFisherlSigmalFinar

Triethanolamine min. 99.50% for Total Hardness analysis (500mlfPACK) 500 ml pack Make: MercklFisherlS igmalFinar

Turbidity Standard solution for TB 210IR, Make: Lovibond

Turbidity Standard solution for TQ IIOOIR, Make: Merck

Buffer pH 4.01@25 Deg C Calibration solution calibrated against NIST Traceable SBS (480ml PACK) suitable for inoLab & PH510/700 pH Meter. make: Eutech/WTW/Equiv

Buffer pH 7.00 @25 Deg C Calibration solution calibrated against NIST Traceable SBS (480ml PACK) make: Eutech/WTW/Equiv

Buffer pH 10.01 @25 Deg C Calibration solution calibrated against NIST Traceable SBS (480ml PACK) make: Eutech/WTW/Equiv

Reagent suitable for spectrophotometric analysis of Iron in potable water, Range 0.02-3.00 mg/l soluble Iron (1000 Tests/PACK) Make: Merck/Lovibond/Palin/WTW

lronstandard solution 1000.mg/L traceable to SRMfrom NISTTraceable (125 ml/PACK) Make: Inorg Venture/ Reagecon/Merck/Sigma/Equiv

Total Ionic Strength Buffer solution-III for Fluoride estimation soln suitable for Ionometric analysis of Fluoride (475 ml /PACK) Thermo-Orion/ Merck/Carlo Erba

Universal bridge electrolute Electrode filling Solution for Fluoride ISE, 5X50 ml

Fluoride standard solution traceable to SRM from NIST Traceable (500 ml/PACK) Make: Inorg Vent /Reagecon / /Merck / Sigma/WTW

Specyrophotometric Reagents for Fluoride Analysis , Range 0.10-20.0 mg/l F (250 test/PACK) Make: Merck/Lovibond/Palin/IV or Equivalen

Solvent for lamp 5 lit pack

Tissue Paper

Nitric Acid about 69%, Analytical Quality, 500 ml, Merck/Fisher / Aventor

Hydrochloric acid min: 36.5%, Analytical quality & ACS grade, Arsenic content: 0.01 ppm max. (500ml/ PACK ) Make: Merck/ Fisher/ Sigrna/Finar

Hydrochloric Acid Laboratory Grade (5 Lit) Pack Iron content: 0.0001% max,

TDS Tester 1,TDS Range 0 to 1990 ppm/ 10ppm LC

Reagent suitable for spectrophotometric analysis of Manganese in potable water Range: 0.1-10 mg/l of Manganese, (250tests/PACK) Make: Merck/ Lovibond/ Palin/ WTW.

Manganese standard solution traceable to SRM from NIST Traceable (125 ml/PACK) Make: Inorg Vent/Reagecon/Merck/Sigma

pH Paper 2-10.5

DPD Tablet

Supply, delivery demonstration of Residual Chlorine Kit complete with Comparator box with continuous colour scale disc for Residual Chlorine & Total Chlorine analysis, Range/Graduation: 0/0.2/0.4/0.6/0.8/1.011.211.4/1.6/1.8/2.012.5/3.0/3.5/4.0, . .to be supplied with unbreakable cells, frosted on two sides 13.5 mm path length, volume 10 ml, with lid, easily dispersible DPD Tablet for residual chlorine- 530nos & DPD tablet for Total Chlorine-30 nos, tablet crusher, Carrying box, operating manual. Total Residual Chlorine test should not be less than 530 tests. Delivery & demonstration to be made at different places of West Bengal as per direction of Engineer- in-charge. Make: LovibondlMerck

Dettol, 500 ml

Burnol Tube

Sterile Cotton

Boroline Tube

Insecticide for Rat & Cocroaches

BHARATI CHEMICAL AND SCIENTIFIC WORKS

SUNANDA ENVIROMENTAL INTERNATIONAL PVT. LTD.

DULAL MAJUMDAR