quality assurance in indo-flux through traceability to indian nmi - npl new delhi prabhat k. gupta...
TRANSCRIPT
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Quality assurance in Indo-Flux through traceability
to Indian NMI - NPL New Delhi
Prabhat K. Gupta
Scientist F & HeadAnalytical Chemistry Section
National Physical Laboratory (NPL)New Delhi-110012, India
(E-mail: [email protected])
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Major Related AreasSetup of GC facility (DST
Funded) at NPL in 1985-86
MC-91
ALGAS-MAC98
INDOEX
NATCOM-1
(NATCOM-2)
ISRO-GBP: Bibex
ISRO-GBP: LC1 / LC2
(Precipitation)
Dry/ Wet Deposition
High altitude/ Measurements
Campaign mode observations
Network Mode Measurements
MC-91, ALGAS-MAC98 [16 Institutions]
NATCOM [Agriculture Sector: LS, RWS, Agr-Soils and Residue Burning]
NPL Chemical Metrology, IRM-CRM [33 Institutions]
QA/QC, Standardization, National & International Traceability
GHG-Agriculture, Trace Gases & Aerosols, Chemical Characterization
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Envisat-SCIAMACHY measurements are averaged over the time period of Aug.
through Nov. 2003 on a 1º x 1º horizontal
grid.
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National Physical Laboratory-IndiaThe Referral Laboratory
Quality Management System
CRMs Calibration
Forestry, Land use & Land
Cover Change Sector
Agriculture, Livestock and Waste Sector
Energy, Industry and Road Transport
Sector
International Measurement Systems(SI Units)
QA/ QC Institutional Framework for NATCOMQA/QC Traceability Chain
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Wheat Crop Residue Burning After Combine Harvesting
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NH48%
K1%
Organic Carbon
13%
Elemental Carbon
6%
Cl4%
SO410%
NO39%Others
49%(Ca, Mg, Sl, Al, Fe, Na, Ti, Pb, Zn)
Chemical Composition of RSPM in Delhi
Chemical Composition of RSPM in Delhi
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Delhi PM2.5, March 4, 2001
OM40%
EC6%
Unidentified23%
Cl-
12%
NO3-
3%
SO42-
7%
NH4+
9%
Delhi PM2.5, March 10, 2001
Unidentified6%
EC8%
OM66%
NO3-
3%
SO42-
6%
NH4+
4%
Cl-
5%
Delhi PM2.5, March 22, 2001
Unidentified18%
OM45%
EC6%
Cl-
8%
NH4+
8%
SO42-
10%
NO3-
1%
Delhi PM2.5, March 28, 2001Unidentified
22%NH4
+
2%
SO42-
7%
NO3-
1% Cl-
3%EC13%
OM51%
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Monthly average BC of 2001 and 2002 in Delhi
0
5
10
15
20
25
30
35
40
45
50
May June July Aug Sep Oct Nov Dec Jan Feb Mar Apr May June July
Months of 2001 and 2002
Co
nce
ntr
atio
n (
µg
/m3)
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Wet-Only (Rain) CollectorWet-Only (Rain) Collector at NPL, New Delhiat NPL, New Delhi
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INDOFLUX Network studies and QA/QC issues (Role of Indian NMI - NPL New Delhi)
Uncertainty
3 x 10-11
4.6 x 10-9
1 x 10-13
1 x 10-6
2.5 x 10-4
(1.6-1.3) x 10-2
-
SI Units
Length (m)
Mass (kg)
Time (s)
Electric Current (A)
Temperature (K)
Luminous Intensity (cd)
Mol
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Realization of amount of substance through MiC involves the determination of accurate amounts of reactants, reagents and products in a chemical reaction by use of definitive methods such as Gravimetry, Titrimetry, Coulometry and pH by Harned Cell primary method etc.
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Impact
The realization of base unit ‘mol’ through MiC will have impacts on Food quality and security, Energy, Environment & Health, Societal, national and international Trade & Indian economy, through quality system of MiC in the country.
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MiC
Broad Areas are…
organic/ inorganic/ gas/ electrochemical/ surface/ and bio analysis etc..
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Possible Areas for MiC & CRMs
Gas
Stable gas, Reactive gas and Multi-component gas mixures
OrganicClinical, Medicine, Environment, Forensic & Doping, Petroleum, Agriculture & Food and others
InorganicElemental, Geochemical, Soil, Metal & Alloys, Environmental, Bldg. Materials, Health, Agriculture and others
BioGMO Analysis, Pathogens, Genetic Testing, Gene Expression, Protein and others
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Traceability
MiC
NPL-India
Realization of Amount of Substance-SI ‘Mol’
Gravimetry TitrimetryCoulometry Harned Cell for pH
MRA
0
Directions….as per India’s Policy & Needs ….
In partnership with other Organizations/ CSIR Institutes having expertise in various MiC fields
CRMs CMCs
-KCDB
Links With Legal & Enforce-ment Bodies
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CRM Programme
Geo-chemicalStandards
FoodStandards
PetroleumStandards
SpectroscopicStandards
Natural WaterStandards
Elemental Solution
Standards
Gas MixturesStandards
PesticideStandardsXRD
Standards
35+ Institutions
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Some Lead Laboratories for the preparation of CRMsfor Various Disciplines
•Water: Multi and mono elemental solutions, Nature water, Gas Mixtures, X-ray Diffraction and SEM/TEM Resolution Standards: NPL New Delhi •Spectroscopic Standards: NML, Jamshedpur•Trace Elements in Lubricating & Fuel Oil: IIP, Dehradun•Pesticides: IICT, Hyderabad•Milk Powder: CFTRI, Mysore •Gold Geo-chemical NGRI, Hyderabad
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Preparation & Dissemination of Certified Reference Materials
CRMs: 25 Nos.; Key-Comparisons: NATA-4, CCQM-1, IMEP-2, NCCRM-1, EANET-1, APMP-1*
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National / International
Traceability- MRA
Gas Analysis
Stable GasesCH4, CO2, N2O,
O2, N2, …
Reactive GasesO3, NO, NO2, SO2, CO…
GravimetryTitrimetry-GPTUV-Photometry
ChemiluminescenceFluorescenceCCQM/ APMP
Key-ComparisonsCMCs-KCDB
MIC ProductsQS for India – Accreditation
CRMs
Gas Mixtures
NPL-India
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Gas Metrology
Future: Primary Gas Std Preparation-Gravimetric: NPL-I Traceable
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Future…Research.. Atmosphere-Terrestrial Coupling by
Tower based-Flux Network ApproachFocus
CO2, H2O and Heat Exchange
GHG Fluxes
Pollutant gases
C, N, S, P-deposition (Wet & Dry)
Tower footprint Scaling (RS/GIS) up to regional level in Various Biomes/ Eco-regions or Agro-Ecological Regions
Network Sites & Multi-disciplinary Teams
Regional Biospheric processes data in Global & Regional Climate Models
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Indo-Flux[DST, ISRO, CSIR, ICAR, DOD, MoEF]
Tower [10m-300m] based Observations
Coupling of Atmosphere-Ocean-Terrestrial Earth Systems
Long-Term, Multi-Disciplinary
Forecasting, Food Security, Sustainable Development, Environment and Policy
NPL can Participate & give lead for SI-Units national traceability i.e.
Most measurements traceable to NPL-India
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Thank You