Name of Work: Procurement of Ultra Pure Water Purification System forCWA(W&S)-II division.
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Item Description
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( Make : Elga, Merck Millipore, Thermo Fischer ScientificThe Ultrapure water system must be capable of providing Type-I, Type-II and Type-III water to perform all laboratory functions through one system like washing and rinsing of laboratory glass wares, General Chemistry, Autoclave feed, Buffer and media preparation, sample dilution, reagent preparation, spectrophotometry, Flame photometer and use of water in AAS, ICP, Ion chromatography, Liquid chromatography, molecular biology etc.The water purification system must have multiple quality sensors to regularly monitor both ultrapure and pure water. It will also have inbuilt periodic recirculation to minimize and retarred the production of biofilm. Pre-filtration: The Pre-filtration unit will have triple cartridge including 10 micron, 5 micron and 1 micron filters to remove suspended particles, free chlorine and hardness of water in feed water and a booster pump for enhancing the feed water pressure minimum 2 bar (30 psi). F+A1iltration System: There will be an integrated filtration system having Reverse Osmosis, De-ionized filtration with ultra violet disinfection with final point of use filtration of 0.22 micron and option to attach bio-filter.Disinfection:The system will have UV lamp with emission at 185 nm and 254 nm wavelength.Reservoir:There will be internal reservoir with minimum 6 ltr capacityWater dispensing System:The water purification system will have auto-volume dispensing function capable of dispensing desired volume of ultra-pure water between 0.1Ltr to 6.0 Ltr or more.Volumetric dispensing accuracy is + 10 ml or + 3%Dispensing Flow Rate:Type-I Water1.2 Ltr/MinuteDATA Transfer and capturing: The system will have data capture facility to capture water parameters via a USB port. Display:Graphic Colour LCD Display with informationa. System and performance statusb. On routine maintenance requirementsc. Alarms for trouble shooting in the event of malfunctioning of systemRecirculation of Water:The system will be able to recirculate water through purification components to maintain high water quality whenever dispensed. Allowable parameter for feed water;• Water Source:Potable Water• Conductivity2000 micro simens/cm• Hardness:<350 ppm as CaCO3• Free Chlorine: <0.05 ppm• Fauling Index: <10Ultrapure (Type I) water specificationsResistivity : • 18.2 MO.cm @ 25°CDispense flow rate :• Up to 1.2l/minTOC• <5 ppbBacterial TVC• <0.1 cfu/mlEndotoxin :• <0.001 Eu/mlParticulates :• 0.2µm filtrationRNase • <1pg/mlDNase • <5pg/ml pH • Effectively neutralPure (Type II) water specificationResistivity :• > 1 MO.cm @ 25°CTOC :• <50 pbbBacterial TVC :• <100 cfu/mlRO-permeate (Type III) water specificationsConductivity :• <20 µS/cmTOC :• <20 ppbBacterial TVC :• <1000 cfu/mlIonic rejection :• >96%Particulates and Bacteria rejection :• >99%Organic rejection• (MW > 200 Da):>99%
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