Delhi Jal Board

Delhi Jal Board has published Nit No . 09 Procurement Of Dpd Powder ( Pouch ) As Per Specifications And Bq Make Thermofisher , Lovibond , Palintest , Specification For Dpd Powder For Determination Of Free Chlorine In Treated Water Or Treated Waste Water The Dpd ( N , N-Diethyl-1 . 4-Phenylendiamine ) Powderpouch 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 Potometer / Spectrophotometer At The Wave Length Of 530 Nm If Sample Is Taken In The Cuvette Of 24 Mm . Specified Data For Procedure Sensitivity ( Slope ) Of 1 Mg / L 0 , 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 Deviation 0 , 021 Mg / L Method Variation Coefficient + / - 1 , 13 % Specified Data For Determination / Procedure Will Be In Accordance With Iso 8466- 1 And Din 38402 A51 Shelf Life: 5 Years Packaging: Individual Stick Like Air Tight Sealed Pack With Narrow Geometry Ensuring Moisture Free And Long Shelf Life Of The Reagent . , Specification For Dpd Powder For Determination Of Total Chlorinein Treated Water Or 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 Potometer / Spectrophotometer At The Wave Length Of 530 Nm If Sample Is Taken In The Cuvette Of 24 Mm . Specified Data For Determination / Procedure Will Be In Accordance With Iso 8466- 1 And Din 38402 A51 Specified Data For Procedure Sensitivity ( Slope ) Of 1 Mg / L 0 , 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 Deviation 0 , 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 Free And Long Shelf Life Of The Reagent .. Last date of submission for this tender is 2021-03-18. This is a Chemical Supply tender in Chief Water Analyst (w N S)-iii, Delhi