WBPHED/EE/BD/NIeQ _01 of 2020-2021

Chromogenic Coliform Agar, for simulteneous determination & count of Escherichia coli and Total coliforrns in water samples as per ISO 9308-1:2014, l00 gm 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

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

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

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

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

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

Extran / Labolene/ Finklin (5L/PACK) Make: Merck/ Fisher/ Finar

DPD Tablet for Residual Chlorine, easily dispersible, suitable for Comparometric determination, pack of 250 tabs

Reagent Bottle clear Glass autoclavale 250 ml

Conical Flask 100 ml

Glass dropper with rubber tit 8 cm. with 10 cm. jet

Pipettes Graduated serological (l0 ml)

Pipettes Sucker( 1 set)

Supply of Burette glass (50 ml)

Bottle P.P (100 ml)

Rectangular cuvette 10 mm

Rectangular cuvette 20 mm

Bottle P.P (200 ml)

Standard Volumetrict flax 100ml(Plastic)

Nitric Acid ( 500 ml)

Tissue Roll

Potassium Chromate Analytical Reagent

Sodium Chloride Analytical Quality

Silver Nitrate 0.02N solution , 500 ml

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

Fluoride standard solution traceable to SRM from NIST Traceable (500ml/PACK)Make· 'Inorganic vent/Reagecon/ ~erc~'Sigrra/ Equivalent

Sulfuric Acid (H2SO4)

Potassium di Chromate (K2 Cr2 O7)

Supply, delivery demonstration of Residual Chlorine Kit Complete with Comprator box with continous color scale disc for Residual Chlorine & Total Chlorine analysis Range/ Graduation: 0/0.2/4.4/0.6/0.8/1.0/1.2/1.4/1.6/1.8/2.0/2.5/3.0/3.5/4.0 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 - 530 nos & DPD tablet for total Chlorine - 30 nos, tablet chusher, Carrying box, operating manual. Total Residual Chlorine test should be made at different places of West Bengal as per directioin of Engineer-in-charge: Make: Lovibond/Merck

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BHARATI CHEMICAL AND SCIENTIFIC WORKS