NPL, India activity related to water as per the need of the country, Ph.D. (Sr. Scientist) Chemical & Food BND Group Indian Reference Materials (BND) Division CSIR-National Physical Laboratory, New Delhi, India @ APMP GA 2018_Clean Water Focus Group 23rd November 2018_Singapore
Focus Technical capability in measurement of quality of water Development of Certified Reference Materials/BNDs Participation in Inter Laboratory Program Support to the Stake holders in our country Measurement Traceability through Dissemination of CRMs/BNDs Conducting Proficiency Testing program Establish Traceability of the Reference Material Producers CMC related to water Effort taken
Technical capability Facilities @ NPLI for trace elemental analysis Capabilities building of the personnel Scientists, supporting staff working have been trained under NPL-PTB Technical cooperation for MiC activity Undergone IDMS training at BAM, Berlin and NIM, Thailand
Work ne so far. Quality management system (ISO/IEC17025:2005) Implemented November 2011 International Peer-review on Aqueous elemental activity February 2012 by the technical expert from BAM Germany Balances Calibrated Mass Prototype 57
Development of CRMs Mandate - Development of Indigenous Certified Reference Materials (Bharatiya Nirdeshak Dravyas ) to improve the quality of life in India by Dissemination of Measurement Traceability to the end product CRM related to Aqueous Elemental Standard Solution Preparation, certification of reference materials and its dissemination (Trade Mark No. 3669341, Registered
Purity Evaluation of starting material used for CRMs High purity metal Impurity analysis Purity analysis Lead Zinc Copper Cadmium Electrogravimetric Washing, Cleaning, Heating/ Drying of metal/salt Iron Dissolution in HCl / HNO3 By gravimetric and titrematric method Cadmium By instrumental technique by HR-ICPMS Identification of sources and quantification of uncertainty value Assignment of value Purity % by gravimetric/titrematric result Titrimetric method Purity % = 100 - Impurities from impurities results Gold Gravimetric Silver method Chromium Nickel Silver Impurity analysis Published paper Evaluation of purity with its uncertainty value in high purity lead stick by conventional and electro - gravimetric methods. Chemistry Central Journal; 7, 108, 2013. A rugged, precise and accurate gravimetry process for the determination of silver. Journal of Analytical Methods 6, 3682, 2014. Determination of trace elements in high purity silver granules using sector field inductively coupled plasma mass spectrometry. Journal of Testing & Evaluation, ASTM 2018. (Published)
Participated in BilateralComparison Program Bilateral with BAM for aqueous elemental solutions - 2010 S. N. Analyte/elements Gravimetric (mg/kg) value Value given by BAM (mg/kg) 1. BND 501.01 Ag 0.82 ± 0.01 0.84 ± 0.01 2. BND 505.01 Ag 4.80 ± 0.01 4.78 ± 0.01 3. BND 2101.01 K 0.84 ± 0.01 0.84 ± 0.01 4. BND 2105.01 K 4.67 ± 0.01 4.75 ± 0.01 5. BND 401.04 Cr 0.83 ± 0.01 0.80 ± 0.01 6. BND 405.01 Cr 4.80 ± 0.01 4.76 ± 0.01 7. BND 2301.01 Cd 0.91 ± 0.01 0.91 ± 0.01 8. BND 2305.01 Cd 4.78± 0.01 4.76± 0.01
Participation in International key comparison program CCQM- P 135.1 organised by PTB, Germany on Anionic impurities in salt solution -2016 NPL I NPL I
APMP.QM-P30 -----2016 onwards Calibration Solutions of Pb, As, Ni and Fe NMI, China; Kriss, Korea & NPL, India Reported results of three NMIs with their associated combined uncertainty; weighted mean wchar, robust average x* and their associated uncertainty u(wchar) and ux* respectively
Copper calibration solution ---2017 ongoing Purity evaluation by Electrogra vimetric method Sample sent to NIST High Purity Copper wire Waiting for result Calibrated Balance Calibration Solution [Cu] Value assignment with uncertainty
Continuous Support to Accreditation (NABL) & Standard (BIS) Bodies Providing SI-traceability to accredited testing & calibration labs by disseminating CRMs Conducting PT program in the country and Providing reference values to PT schemes, training courses to Awareness raising, training for QS, MiC, PTPs and RMPs Involvement in NABL & BIS committees (As chair, experts, faculty and as assessors) support Carry out the Audit of Testing Laboratory as well as CRM producers in our country
Conduct of PT for the Stake holder in our country PT Program Conducted for 18 testing laboratories for Fluoride and Arsenic in drinking water (permissible limit) under CEMI Project supported by PTB Germany
MoU Signing Ceremony Organized at NPL with RMPs CSIR-NPL & Aashvi Technology, Gujarat on 18th May 2018 CSIR-NPL & NCCBM, Ballabgarh on 21st May 2018 CSIR-NPL & HPCL, Mumbai on 18th July 2018
Release of Copper elemental standard BND in association with Aashvi Technology, RMP by Hon ble Minister Dr. Harsh Vardhan
CMC filed - 2012 BND ID BND 20.100.01 BND 401.04 BND 405.01 BND 24.110.01 BND 82.50.01 BND 82.100.01 BND 2101.01 BND 2105.01 BND 501.01 BND 505.01 BND 2401.01 BND 2301.01 BND 2305.01 Matrix Mono-elemental aqueous solution Multi-elemental aqueous solution Analyte/ elements Certified value (mg/kg) Ca 100 Cr Cr Cr Pb Pb K K Ag Ag 0.83 4.80 109.60 49.98 102.8 0.84 4.67 0.82 4.8 Fe, Cu, Zn 0.81, 0.89, 0.83 Pb, Cd, Ni Pb, Cd, Ni 0.89, 0.91, 0.81 4.88, 4.78, 4.82
Future plans CMCs for Inorganic analysis (elemental solutions) Participate or organise forth International Comparison Program for Aqueous alcohol standard Peer Reviews for Inorganic analysis (IInd) MiC training and workshops are planned to be organized by NPL as well as other net working Laboratories to generate awareness among the users ( Information can get from NPL web page)