Concentration of standard substance

Concentration of standard substance, Total:185 items.

The international standard classification for "Concentration of standard substance" includes: Medical Sciences and health care facilities in general .

The Chinese standard classification for "Concentration of standard substance" includes: Radiological sanitation protection .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB 14882-1994 Limited concentrations of radioactive materials in foods
GB/T 16146-1995 Control standard of radon concentration in dwellings

Group Standards of the People's Republic of China

T/SAME 003-2023 Standard for quality control of theraputic drug monitoring in neuropsychopharmacology

未注明发布机构

DIN EN 16966 E:2016-03 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface area concentration and mass concentration
DIN EN 14792 E:2014-12 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
DIN EN 14791 E:2014-12 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
DIN EN 14791 E:2004-01 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
DIN EN 1911 E:2008-11 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
DIN EN 14792 E:2003-12 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence

Professional Standard - Hygiene

WS/T 419-2013 The values of enzymatic activity concentrations assigned for the reference materials

National Metrological Technical Specifications of the People's Republic of China

JJF 1855-2020 Metrological Technical Specification for Purity Assessment of Certified Reference Materials—Organic Purity Certified Reference Materials
JJF 1961-2022 Metrological Technical Specification for Purity Assessment of Certified Reference Materials―High Purity Metal Certified Reference Materials
JJF 1659-2017 Calibration Specification for PM2.5 Mass Concentration Measurement Instruments

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB/J 5899-2006 Specification for certified reference materials of smoke density

American Society for Testing and Materials (ASTM)

ASTM D6331-14 Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations &40;Manual Gravimetric Method&41;
ASTM D3977-97(2013) Standard Test Methods for Determining Sediment Concentration in Water Samples
ASTM E3242-20 Standard Guide for Determination of Representative Sediment Background Concentrations
ASTM D3977-97(2013)e1 Standard Test Methods for Determining Sediment Concentration in Water Samples
ASTM E681-01 Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases)
ASTM D3977-97(2019) Standard Test Methods for Determining Sediment Concentration in Water Samples
ASTM D6331-16 Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)
ASTM D6331-98(2005) Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)
ASTM D6331-98 Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)
ASTM D6331-13 Standard Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)
ASTM C967-02a Standard Specification for Uranium Ore Concentrate
ASTM C1514-02 Standard Test Method for Measurement of ²³⁵ U Fraction using the Enrichment Meter Principle
ASTM C967-13 Standard Specification for Uranium Ore Concentrate
ASTM C967-08 Standard Specification for Uranium Ore Concentrate
ASTM C967-12 Standard Specification for Uranium Ore Concentrate
ASTM D5273-92(2002) Standard Guide for Analysis of Propylene Concentrates
ASTM D5273-23 Standard Guide for Analysis of Propylene Concentrates
ASTM D5273-92(2007) Standard Guide for Analysis of Propylene Concentrates
ASTM D5273-18 Standard Guide for Analysis of Propylene Concentrates
ASTM D2194-02(2012) Standard Test Method for Concentration of Formaldehyde Solutions
ASTM D5273-92(2012) Standard Guide for Analysis of Propylene Concentrates
ASTM D2194-22 Standard Test Method for Concentration of Formaldehyde Solutions

SCC

NS-EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
DANSK DS/EN 14791:2017 Stationary source emissions – Determination of mass concentration of sulphur oxides – Standard reference method
AENOR UNE-EN 14791:2017 Emissions from stationary sources. Determination of the mass concentration of sulfur oxides. Standard reference method.
DANSK DS/ISO 23196:2022 Water quality – Calculation of biological equivalence (BEQ) concentrations
DIN EN 14791 E:2014 Draft Document - Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method; German version prEN 14791:2014
BS PD CEN/TS 17340:2020 Stationary source emissions. Determination of mass concentration of fluorinated compounds expressed as HF. Standard reference method
DANSK DS/CEN/TS 17340:2020 Stationary source emissions – Determination of mass concentration of fluorinated compounds expressed as HF – Standard reference method
SN-CEN/TS 17340:2020 Stationary source emissions — Determination of mass concentration of fluorinated compounds expressed as HF — Standard reference method
NS-EN 12341:2023 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
AENOR UNE-EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
DANSK DS/EN 14792:2017 Stationary source emissions – Determination of mass concentration of nitrogen oxides – Standard reference method: chemiluminescence
NS-EN 14625:2005 Ambient air quality — Standard method for the measurement of the concentration of ozone by ultraviolet photometry
AENOR UNE-EN 1911:2011 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
UNE-EN 14625:2005 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
NS-EN 16966:2018 Workplace exposure — Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates — Metrics to be used such as number concentration, surface area concentration and mass concentration
NS-EN 14792:2017 Stationary source emissions — Determination of mass concentration of nitrogen oxides — Standard reference method: chemiluminescence
NS-EN 1911:2010 Stationary source emissions — Determination of mass concentration of gaseous chlorides expressed as HCl — Standard reference method
NS-EN 12341:2014 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
DANSK DS/EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
UNE 34019-2:1975 CONCENTRATED TOMATO CONSERVES. STANDARD OF QUALITY
DIN EN 14792 E:2014 Draft Document - Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence; German version prEN 14792:2014
DANSK DS/EN 16966:2018 Workplace exposure – Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates – Metrics to be used such as number concentration, surface area concentration and mass concentration
DANSK DS/EN 12341:2014 Ambient air – Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
DIN EN 14625 E:2010 Draft Document - Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German version prEN 14625:2010
DIN EN 12341 E:2012 Draft Document - Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2.5 mass concentration of suspended particulate matter; German version prEN 12341:2012
DIN EN 17340 E:2018 Draft Document - Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method; German and English version prEN 17340:2018
DIN EN 1911 E:2008 Draft Document - Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method; German version prEN 1911:2008
12/30260963 DC BS EN 12341. Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
08/30188440 DC BS EN 1911. Stationary source emissions. Determination of mass concentration of gaseous chlorides expressed as HCl. Standard reference method
12/30268424 DC BS EN 12341. Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
DANSK DS/EN 15549:2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air
NS-EN 15549:2008 Air quality — Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air
10/30210753 DC BS EN 14625. Ambient air quality. Standard method for the measurement of the concentration of ozone by ultraviolet photometry
NS-EN ISO 23196:2023 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)
AENOR UNE 34019-2:1975 Canned tomato concentrates. Quality standard.
AWWA WQTC62398 Adsorption of Selected Pharmaceuticals and Endocrine Disrupting Substances by GAC at Low Concentration Levels
DANSK DS/ISO 9096:2017 Stationary source emissions – Manual determination of mass concentration of particulate matter
AWWA WQTC62384 Contaminant Minimum-Dose Threshold Concentrations for Water Quality Sensors

British Standards Institution (BSI)

BS EN 14791:2017 Stationary source emissions. Determination of mass concentration of sulphur oxides. Standard reference method
BS EN 1911:2010 Stationary source emissions. Determination of mass concentration of gaseous chlorides expressed as HCl. Standard reference method
PD CEN/TS 17340:2020 Stationary source emissions. Determination of mass concentration of fluorinated compounds expressed as HF. Standard reference method
BS EN ISO 23196:2023 Water quality. Calculation of biological equivalence (BEQ) concentrations
BS ISO 23196:2022 Water quality. Calculation of biological equivalence (BEQ) concentrations
BS EN 12341:2014 Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
BS EN 14792:2017 Stationary source emissions. Determination of mass concentration of nitrogen oxides. Standard reference method. Chemiluminescence
BS EN 12341:2023 Ambient air — Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
18/30378870 DC BS EN 17340. Stationary source emissions. Determination of mass concentration of fluorinated compounds expressed as HF. Standard reference method
BS ISO 12141:2002 Stationary source emissions. Determination of mass concentration of particulate matter (dust) at low concentrations. Manual gravimetric method
21/30413954 DC BS ISO 23196. Water quality. Calculation of biological equivalence (BEQ) concentrations
BS EN 16966:2018 Workplace exposure. Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates. Metrics to be used such as number concentration, surface area concentration and mass concentration
22/30443631 DC BS EN 12341. Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
BS EN 14625:2005 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
BS ISO 9096:2017 Stationary source emissions. Manual determination of mass concentration of particulate matter
BS ISO 9096:2003 Stationary source emissions - Manual determination of mass concentration of particulate matter
19/30367217 DC BS EN 17346. Ambient Air Quality. Standard method for the determination of the concentration of ammonia by diffusive sampling

Association Francaise de Normalisation

NF X43-372*NF EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
NF EN 14791:2017 Emissions from stationary sources - Determination of the mass concentration of sulfur oxides - Standardized reference method
NF X43-602*NF EN 16966:2018 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface area concentration and mass concentration
NF CEN/TS 17340:2020 Emissions from stationary sources - Determination of the mass concentration of fluorinated compounds, expressed in HF - Standardized reference method
NF X43-320*NF EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method.
NF X43-373*NF EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method : chemiluminescence
NF X43-049*NF EN 12341:2014 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
NF EN 14792:2017 Emissions from stationary sources - Determination of the mass concentration of nitrogen oxides - Standardized reference method: chemiluminescence
NF X43-304*NF CEN/TS 17340:2020 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method
NF EN 1911:2010 Emissions from stationary sources - Determination of the mass concentration of gaseous chlorides, expressed in HCI - Standardized reference method
NF EN 16966:2018 Workplace exposure - Measurement of inhalation exposure to nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface concentration and mass concentration
NF X43-302:1986 Air quality - Emissions from fixed sources - Determination of dust concentration by reflected light opacimetry
NF EN 12341:2014 Ambient air - Standard gravimetric measurement method for determining the PM10 or PM2.5 mass concentration of suspended particulate matter
NF EN 15549:2008 Air quality - Standard method for measuring the concentration of benzo[a]pyrene in ambient air
NF X43-064*NF EN 14625:2013 Ambient air quality - Standard method for the measurement of the concentration of ozone by ultraviolet photometry
NF X43-560*NF EN 15549:2008 Air quality - Standard method for the measurement of the concentration of Benzo[a]pyrene in ambient air

German Institute for Standardization

DIN EN 14791:2017-05 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method; German version EN 14791:2017
DIN EN 16966:2019 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface area concentration and mass concentration
DIN CEN/TS 17340:2021-01 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method; German version CEN/TS 17340:2020
DIN EN 14792:2017-05 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence; German version EN 14792:2017
DIN EN 1911:2010-12 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method; German version EN 1911:2010
DIN EN ISO 23196:2023-07 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022); German and English version prEN ISO 23196:2023 / Note: Date of issue 2023-06-02
DIN EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method; German version EN 14791:2017
DIN EN 16966:2019-01 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface area concentration and mass concentration; German version EN 16966:2018
DIN EN ISO 23196:2023-11 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022); German version EN ISO 23196:2023
DIN EN ISO 23196:2023 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022); German and English version prEN ISO 23196:2023
DIN EN 12341:2023 Ambient air - Standard gravimetric measurement method for the determination of the PM or PM mass concentration of suspended particulate matter
DIN EN 12341:2022 Ambient air - Standard gravimetric measurement method for the determination of the PM or PM mass concentration of suspended particulate matter; German and English version prEN 12341:2022
DIN EN 15549:2008-06 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air; German version EN 15549:2008
DIN EN 15549:2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air; German version EN 15549:2008
DIN EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method; German version EN 1911:2010

AENOR

UNE-EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
UNE-EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
UNE-EN 12341:2015 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
UNE-EN 1911:2011 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
UNE-ISO 12141:2006 Stationary source emissions -- Determination of mass concentration of particulate matter (dust) at low concentrations -- Manual gravimetric method (ISO 12141:2002)
UNE-EN 15549:2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air
UNE-ISO 9096:2005 Stationary source emissions -- Manual determination of mass concentration of particulate matter

CEN - European Committee for Standardization

EN 16966:2018 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration@ surface area concentration and mass concentration
PREN 17340-2018 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method
PREN 17346-2019 Ambient Air Quality - Standard method for the determination of the concentration of ammonia by diffusive sampling

American Society of Mechanical Engineers (ASME)

ASME PTC 38-1980 Determining the Concentration of Particulate Matter in a Gas Stream

Japanese Industrial Standards Committee (JISC)

JIS L 0808:1994 Standard depths of colour
JIS L 0810:1973 Standard depths of shade no.3
JIS L 0812:1973 Standard depths of shade no.5

International Organization for Standardization (ISO)

ISO 23196:2022 Water quality — Calculation of biological equivalence (BEQ) concentrations
ISO/CD 12141 Stationary source emissions — Determination of mass concentration of particulate matter (dust) at low concentrations — Manual gravimetric method
ISO 9096:2017 Stationary source emissions — Manual determination of mass concentration of particulate matter
ISO 12141:2002 Stationary source emissions - Determination of mass concentration of particulate matter (dust) at low concentrations - Manual gravimetric method
ISO 9096:2003 Stationary source emissions - Manual determination of mass concentration of particulate matter

European Committee for Standardization (CEN)

EN 14792:2017 Stationary source emissions - Determination of mass concentration of nitrogen oxides - Standard reference method: chemiluminescence
CEN/TS 17340:2020 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method
FprEN 12341 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
EN 12341:2023 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
prEN ISO 23196 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)
EN ISO 23196:2023 Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)
EN 14791:2017 Stationary source emissions - Determination of mass concentration of sulphur oxides - Standard reference method
CEN EN 15549-2008 Air quality — Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air
EN 15549:2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air

Korean Agency for Technology and Standards (KATS)

KS I ISO 12141:2022 Stationary source emissions — Determination of mass concentration of particulate matter (dust) at low concentrations — Manual gravimetric method
KS I ISO 12141:2017 Stationary source emissions－Determination of mass concentration of particulate matter(dust) at low concentrations－Manual gravimetric method
KS I ISO 9096:2020 Stationary source emissions — Manual determination of mass concentration of particulate matter
KS I ISO 14592-2014(2019) Water quality — Evaluation of the aerobic biodegradability of organic compounds at low concentrations
KS I ISO 12141:2007 Stationary source emissions－Determination of mass concentration of particulate matter(dust) at low concentrations－Manual gravimetric method
KS K 0908-2011 Standard depths of shade NO. 1
KS I ISO 9096:2009 Stationary source emissions－Manual determination of mass concentration of particulate matter
KS I ISO 23210:2022 Stationary source emissions — Determination of PM10/PM2.5 mass concentration in flue gas — Measurement at low concentrations by use of impactors
KS I ISO 14592:2014 Water quality — Evaluation of the aerobic biodegradability of organic compounds at low concentrations

CZ-CSN

CSN 68 4155-1989 Concentration of the impurities by he coagulation and coprecipitation

KR-KS

KS I ISO 12141-2022 Stationary source emissions — Determination of mass concentration of particulate matter (dust) at low concentrations — Manual gravimetric method
KS I ISO 9096-2020 Stationary source emissions — Manual determination of mass concentration of particulate matter
KS I ISO 12141-2017 Stationary source emissions－Determination of mass concentration of particulate matter(dust) at low concentrations－Manual gravimetric method

Lithuanian Standards Office

LST EN 12341-2014 Ambient air - Standard gravimetric measurement method for the determination of the PM10 or PM2,5 mass concentration of suspended particulate matter
LST CEN/TS 17340-2020 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method
LST EN 1911-2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
LST EN 15549-2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air

Danish Standards Foundation

DS/EN 1911:2010 Stationary source emissions - Determination of mass concentration of gaseous chlorides expressed as HCl - Standard reference method
DS/EN 15549:2008 Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air

IT-UNI

UNI CEN/TS 17340-2021 Stationary source emissions - Determination of mass concentration of fluorinated compounds expressed as HF - Standard reference method

Association of German Mechanical Engineers

VDI 2463 Blatt 8-1982 Particulate matter measurement; measurement of mass concentration in ambient air; standard method for the comparsion of nonfractionating methods

GSO

GSO ISO 10251:2013 Copper, lead, zinc and nickel concentrates -- Determination of mass loss of bulk material on drying
GSO ISO 9096:2021 Stationary source emissions — Manual determination of mass concentration of particulate matter
BH GSO ISO 9096:2022 Stationary source emissions — Manual determination of mass concentration of particulate matter

ES-UNE

UNE-EN 16966:2022 Workplace exposure - Measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates - Metrics to be used such as number concentration, surface area concentration and mass concentration

AT-ON

ONORM M 6272-1985 Water analysis; determination of the mass concentration of settleable matter in water and waste water
ONORM M 6274-1985 Water analysis; determination ofthe mass concentration offilterable matter and its residue on ignition

RU-GOST R

GOST R ISO 9096-2006 Stationary source emissions. Manual determination of mass concentration of particulate matter
GOST 12.1.014-1984 Occupational safety standards sytem. Air in the zone of operation. Method of measuring unhealthy matters concentration using indicator tubes
GOST 33587-2015 Activated carbon. Standard method for determination of adsorptive capacity for adsorbates at trace concentrations

Underwriters Laboratories (UL)

UL 331A-2015 UL Standard for Safety Strainers for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 �C E85) (First Edition)

IX-FAO

CODEX STAN 57-2017 Standard for processed tomato concentrates

GOSTR

GOST R 59016-2020 Mineral natural drinking waters. Determination of the mass concentration of bromide ions by the photometric method

VN-TCVN

TCVN 5977-2009 Stationary source emissions.Manual determination of mass concentration of particulate matter