Delhi Jal Board

Delhi Jal Board has published Purchase Of Dpd Pouches To Check The Residual Chlorine In Water Samples For The Quality Control Laboratories Running Under Cwa(Wns)-Ii Division. , Dpd Powder Sachet Specification For Dpd Powder For Determination Of Free Chlorine In Treated Water/Treated Waste Water: The Dpd (N, N-Diethyl-1.4-Phenylendiamine) Powder Pouch For Single Test Of Residual Chlorine Is Required For Measuring Range Between 0.02 To 3.5 Mg/L In Chlorine Treated Water Or Waste Water Through Any Photometer/Spectrophotometer At The Wavelength Of 530 Nm If Sample Is Taken The Cuvette Of 24 Mm. The Dpd Powder Must Be Free From Boric Acid And Based On Green Chemistry. Specified Data For Determination/Procedure Will Be In Accordance With Iso 8466-1 & Din 38402A51. Specified Data For Procedure Specified Data For Procedure Sensitivity (Slope) Of 1 Mg/L0.43 Ext. (Mg/L) Limit Of Detection (Blanc Procedure) 3 X S(Blanc)0.01 (Mg/L) Limit Of Quantification (Blanc Procedure)9 X S(Blanc) 0.03(Mg/L) Confidence Interval (95 %) ± 0.049 (Mg/L) Method Standard Deviation0.021 (Mg/L) Method Variation Coefficient ± 1,13 % Shelf Life: 5 Years Packaging: Individual Stick Like Air Tight Sealed Pack With Narrow Geometry Ensuring Moisture And Long Shelf Life Of The Reagent.. Last date of submission for this tender is 2024-12-28. This is a Packing Boxes tender in Delhi, Delhi