How to measure gas density

How to measure gas density, Total:227 items.

The international standard classification for "How to measure gas density" includes: Power stations in general , Particle size analysis. sieving , Conducting materials , Advanced ceramics , Petroleum products in general , Natural gas , Measurement of force, weight and pressure , Refractories , Ceramics in general , Gaseous fuels , Fertilizers , Relays .

The Chinese standard classification for "How to measure gas density" includes: Electric power testing technique , Carbon material , Ceramic and glass in general , Petroleum products in general , Natural gas , Temperature and pressure instrument , Fireproof material in general , Daily use ceramics products , Coal gas , Soil and fertilizer in general , Relay protection and automatic device , Unshaped refractory .

Professional Standard - Electricity

DL/T 259-2012 Calibration Regulation for SF6 Gas Density Monitor
DL/T 1988-2019 Determination of density of sulphur hexafluoride oscilating U-tube method
DL/T 259-2023 Calibration code for SF6 gas density relay
DL/T 917-2005 Determination of density of sulphur hexafluoride

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 40401-2021 Determination of density by volumetric displacement—Skeleton density by gas pycnometry

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

GB/T 1966-2024 Porous ceramics—Determination of apparent porosity and bulk density
GB/T 2997-2015 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products
GB/T 22065-2008 Pressure type SF6 gas density monitor
GB/T 24203-2024 Method for determination of bulk density, true density, true porosity and oppen porosity of carbon materials
GB/T 29617-2013 Determination of density, relative density,and API gravity of liquids by digital density meter
GB/T 2997-2000 Test Method for Bulk Density, Apparent Porosity and True Porosity of Dense Shaped Refractory Products
GB/T 1884-2000 Crude Petroleum and Liquid Petroleum Products - Laboratory Determination of Density - Hydrometer Method
GB/T 31253-2014 Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density

Group Standards of the People's Republic of China

T/SMA 0010-2020 SF6 Gas Density Relay Field Calibration Regulations
T/CCAS 012-2019 Determining cement density by gas displacement method
T/CSTM 00362-2021 Determination for black powder specific density —Method of helium

Professional Standard - Light Industry

QB/T 1642-2012 Test method for apparent porosity and bulk density of ceramic body
QB/T 1642-1992 Test Method for Apparent Porosity and Bulk Density of Ceramic Body

Professional Standard - Petrochemical Industry

SH/T 0685-1999 Liquified petroleum gases - Determination of density - Pressure density bottle method
SH/T 0221-1992 Determination method for density or relative density of liquefied petroleum gas (pressure hydrometer method)

Professional Standard - Commodity Inspection

SN/T 2383-2009 Liquid chemical products—Determination of density and relative density—Digital density meter method

国家质量监督检验检疫总局

SN/T 2383-2017 Liquid chemical products—Determination of density and relative density—Digital densty meter method

Professional Standard - Agriculture

NY/T 887-2010 Liquid fertilizers--Determination of density
NY/T 887-2004 Density testing of liquid fertilizer

Professional Standard - Machinery

JB/T 10549-2006 Common specification for SF6 gas density relay and density meter

Taiwan Provincial Standard of the People's Republic of China

CNS 7841-1981 Method of Test for Bulk Density of Artificial Abrasives
CNS 11027-1984 Definitions of Terms Relating to Density and Specific Gravity of Solids Liquids and Gases
CNS 5753-1980 Method of Test for Bulk Density of Germaniun Dioxide

Hebei Provincial Standard of the People's Republic of China

DB13/T 1231-2010 Density Determination Method for Chemical Products Intelligent Liquid Density Meter Method

National Metrological Verification Regulations of the People's Republic of China

JJG 1073-2011 Pressure Type SF6 Gas Density Monitors

Professional Standard - Ferrous Metallurgy

YB/T 5200-1993 Dense refractory castables—Determination of bulk density and apparent porosity

Japanese Industrial Standards Committee (JISC)

JIS Z 8837:2018 Determination of density by volumetric displacement -- Skeleton density by gas pycnometry
JIS K 7222:1999 Cellular plastics and rubbers -- Determination of apparent (bulk) density
JIS K 7222:2005 Cellular plastics and rubbers -- Determination of apparent (bulk) density
JIS K 7228:1987 Method for measuring smoke density and concentration of gases evolved by incineration or decomposition of plastics

PL-PKN

PN C04003-1973 Determination ol densi?y (specific grayi?y) of gases
PN C04757-1985 Gaseous fuels Calculation of gross and net calorific value, density, relative density and Wobbe index from gas composition
PN H04062-1993 Iron ores. Determination of bulk density
PN H04172-1993 Refractory materials. Determination of bulk density and true porosity of insulating products

Natural Gas Processor's Association (NGPA)

GPA RR-147-1995 Density Measurements on Natural Gas Liquids

RO-ASRO

STAS 1310-1973 GASEOUS PETROLEUM PRODUCTS Determination of density
STAS 5630-1973 COKE Determination of the bulk density
STAS SR 13190-1994 Solid fuel Determinalion of density
STAS 12457-1986 AIR Determination of aersols activity density

RU-GOST R

GOST 17310-2002 Gases. Picknometric method for determination of density
GOST 17310-1986 Gases. Picknometric method for determination of density
GOST 34721-2021 Natural gas. Determination of density by picknometric method
GOST ISO 3993-2013 Liquefied petroleum gases and light hydrocarbons. Determination of density or relative density. Pressure hydrometer method
GOST ISO 8130-2-2002 Coating powders. Determination of density by gas comparison pyknometer (referee method)
GOST ISO 8130.2-2002 Coating powders. Determination of density by gas comparison pyknometer (referee method)
GOST 2160-2015 Solid mineral fuel. Determination of true and apparent density
GOST R 57037-2016 Petroleum products. Determination of density, relative density and API gravity of liquids by digital density meter
GOST R ISO 21687-2014 Carbonaceous materials for the production of aluminium. Determination of density by gas pyknometry (volumetric) using helium as the analysis gas. Solid materials
GOST R 54191-2010 Solid biofuels. Determination of bulk density
GOST ISO 8840-2014 Refractory materials. Determination of bulk density of granular materials (grain density)
GOST 2160-1992 Solid mineral fuel. Methods for the determination of density
GOST 19823-1974 Filter air purification means for collective protection objects. Method for determination of air-tightness degree

GSO

BH GSO ISO 12154:2017 Determination of density by volumetric displacement -- Skeleton density by gas pycnometry
GSO ISO 12154:2015 Determination of density by volumetric displacement -- Skeleton density by gas pycnometry
OS GSO 1208:2002 Determination of density and relative density of liquids by digtal density meter .
GSO ASTM D1070:2012 Standard Test Methods for Relative Density of Gaseous Fuels
BH GSO ASTM D1070:2013 Standard Test Methods for Relative Density of Gaseous Fuels
OS GSO ASTM D1070:2012 Standard Test Methods for Relative Density of Gaseous Fuels
GSO 1208:2002 Determination of density and relative density of liquids by digtal density meter .
BH GSO ASTM D4052:2022 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
GSO ISO 15970:2009 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor
GSO ASTM D4052:2021 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
OS GSO ISO 15970:2009 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor
OS GSO ISO 21687:2013 Carbonaceous materials used in the production of aluminium -- Determination of density by gas pyknometry (volumetric) using helium as the analysis gas -- Solid materials
BH GSO ISO 21687:2016 Carbonaceous materials used in the production of aluminium -- Determination of density by gas pyknometry (volumetric) using helium as the analysis gas -- Solid materials
BH GSO ASTM D7777:2023 Standard Test Method for Density, Relative Density, or API Gravity of Liquid Petroleum by Portable Digital Density Meter

GOSTR

GOST R 57844-2017 Composites. Determination of density by volumetric displacement - skeleton density by gas pycnometry

British Standards Institution (BSI)

BS ISO 12154:2014 Determination of density by volumetric displacement. Skeleton density by gas pycnometry
BS EN ISO 8130-2:2021 Coating powders. Determination of density by gas comparison pyknometer (referee method)
BS EN ISO 15970:2014 Natural gas. Measurement of properties. Volumetric properties: density, pressure, temperature and compression factor
BS ISO 21687:2007 Carbonaceous materials used in the production of aluminium - Determination of density by gas pyknometry (volumetric) using helium as the analysis gas - Solid materials
BS EN ISO 1183-3:1999 Plastics - Methods for determining the density of non-cellular plastics - Gas pyknometer method
BS EN ISO 8130-2:2010 Coating powders. Determination of density by gas comparison pyknometer (referee method)
BS EN ISO 17828:2015 Solid biofuels. Determination of bulk density
BS EN 15103:2009 Solid biofuels - Determination of bulk density
BS EN 15103:2010 Solid biofuels. Determination of bulk density
BS EN ISO 8840:2024 Refractory materials. Determination of bulk density of granular materials (grain density)
BS DD CEN/TS 15401:2006 Solid recovered fuels - Methods for the determination of bulk density
BS 6147:1989 Methods for determination of bulk density of iron ores
BS DD CEN/TS 15401:2010 Solid recovered fuels - Determination of bulk density
BS EN ISO 3993:1996 Liquefied petroleum gas and light hydrocarbons - Determination of density or relative density - Pressure hydrometer method

International Organization for Standardization (ISO)

ISO 12154:2014 Determination of density by volumetric displacement - Skeleton density by gas pycnometry
ISO 5017:1998 Dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity
ISO 5017:2013 Dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity
ISO 3852:1988 Iron ores; determination of bulk density
ISO 17828:2015 Solid biofuels - Determination of bulk density
ISO 8130-2:2021 Coating powders - Part 2: Determination of density by gas comparison pycnometer (referee method)
ISO 8130-2:1992 Coating powders; part 2: determination of density by gas comparison pyknometer (referee method)
ISO 2031:1991 Granulated cork; determination of bulk density
ISO 2031:2015 Granulated cork - Determination of apparent bulk density
ISO 3675:1998 Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method
ISO 3675:1993 Crude pertroleum and liquid petroleum products; laboratory determination of density or relative density; hydrometer method

German Institute for Standardization

DIN 51870:1981 Testing of gaseaus fuels and other gases; determination of relative density according to the balance method and calculation of density
DIN 66137-3:2005 Determination of solid state density - Part 3: Gas buoyancy method
DIN 66137-2:2004 Determination of solid state density - Part 2: Gaspycnometry
DIN 51913:2013-05 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
DIN 51857:1997 Gaseous fuels and other gases - Calculation of calorific value, density, relative density and Wobbe index of pure gases and gas mixtures
DIN 66137-3 E:2017-01 Determination of solid state density - Part 3: Gas buoyancy method
DIN 66137-3:2019-03 Determination of solid state density - Part 3: Gas buoyancy method
DIN 66137-2 E:2018-03 Determination of solid state density - Part 2: Gaspycnometry
DIN 66137-2:2019-03 Determination of solid state density - Part 2: Gaspycnometry
DIN 51913 E:2012-04 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
DIN 51913:2013 Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
DIN EN ISO 15970:2014-09 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008); German version EN ISO 15970:2014
DIN 1871:1999 Gaseous fuels and other gases - Density and other volumetric quantities
DIN EN ISO 3675:1999 Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO 3675:1998); German version EN ISO 3675:1998
DIN 51705:2001 Testing of solid fuels - Determination of the bulk density of solid fuels
DIN 51913:2001 Testing of carbon materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials

SCC

12/30263752 DC BS ISO 12154. Determination of density by volumetric displacement. Skeleton density by gas pycnometry
DIN 51913 E:2012 Draft Document - Testing of carbonaceous materials - Determination of density by gas pycnometer (volumetric) using helium as the measuring gas - Solid materials
DIN 66137-3:2019 Determination of solid state density - Part 3: Gas buoyancy method
DIN 66137-2:2019 Determination of solid state density - Part 2: Gaspycnometry
DIN 66137-2 E:2018 Draft Document - Determination of solid state density - Part 2: Gaspycnometry
DIN 66137-3 E:2017 Draft Document - Determination of solid state density - Part 3: Gas buoyancy method
DANSK DS/EN ISO 15970:2014 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor
HOLDEN HN 0174-1978 Determination of Volume and Density of Elastomers
HOLDEN HN 0174-2013 Determination of Volume and Density of Elastomers
AWWA ACE65613 Air or Particles — What Are the Turbidity Spikes in My Membrane Effluent
DANSK DS/ISO 8840:2023 Refractory materials – Determination of bulk density of granular materials (grain density)
06/30145817 DC BS ISO 23499. Coal. Determination of bulk density
NS-EN ISO 15970:2014 Natural gas — Measurement of properties — Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008)
NS-ISO 534:1988 Paper and board — Determination of thickness and apparent bulk density or apparent sheet density
AENOR UNE-EN ISO 15970:2014 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008)
06/30160085 DC BS ISO 15970. Natural gas. Measurement of properties. Volumetric properties: density, pressure, temperature and compression factor
DANSK DS/ISO 8130-2:2021 Coating powders – Part 2: Determination of density by gas comparison pycnometer (referee method)
BS EN ISO 534:2005 Paper and board. Determination of thickness, density and specific volume
DANSK DS/CEN/TS 15103:2006 Solid biofuels - Methods for the determination of bulk density

CZ-CSN

CSN 72 5010-1988 Determination of water absorptivity, apparent and true porosity, bulk density and apparent density solid density of fired ceramic materials and products
CSN 44 1621 ZZ1-2001 Solid fuel. Determination of coal density
CSN 44 1322 ZZ1-2001 Solid fuel. Determination of true density
CSN 65 0342-1980 Liquid chemical products. Method for the determination of density

American Society for Testing and Materials (ASTM)

ASTM UOP114-86 Relative Density of Gas by Schilling Effusion Method
ASTM UOP851-84 Density of Powders and Solids by Helium Displacement
ASTM RR-D02-1387 1996 D4052-Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-96(2002)e1 Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter
ASTM D4052-96 Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter
ASTM D4052-09 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-11 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-18 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-18a Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-16 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D4052-22 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D1070-85(1998) Standard Test Methods for Relative Density of Gaseous Fuels
ASTM D4052-15 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D1070-03(2010) Standard Test Methods for Relative Density of Gaseous Fuels
ASTM D1070-03 Standard Test Methods for Relative Density of Gaseous Fuels
ASTM D2320-98(2017) Standard Test Method for Density (Relative Density) of Solid Pitch (Pycnometer Method)
ASTM D7777-12 Standard Test Method for Density, Relative Density, or API Gravity of Liquid Petroleum by Portable Digital Density Meter
ASTM D1070-03(2017) Standard Test Methods for Relative Density of Gaseous Fuels

Indonesia Standards

SNI 19-1129-1989 Test method for gas concentration in welding environment
SNI 19-4956-1998 Test method for relative density, specific gravity and density (of homogeneous liquid)
SNI 06-0427-1989 Plastic materials, Determination of bulk density
SNI ISO 5016:2010 Shaped insulating refractory products - Determination of bulk density and true porosity

AR-IRAM

IRAM 1163-1957 Density measurement methods for inert gases and pigments

Compressed Gas Association (U.S.)

CGA P-6-2012 Standard density data, atmospheric gases and hydrogen

Korean Agency for Technology and Standards (KATS)

KS L ISO 5017:2013 Dense shaped refractory products ? Determination of bulk density, apparent porosity and true porosity
KS M ISO 3993:2003 Liquefied petroleum products gas and light hydrocarbons－Determination of density or relative density－Pressure hydrometer method
KS M ISO 5311:2006 Fertilizers-Determination of bulk density(tapped)
KS M ISO 5311:2013 Fertilizers－Determination of bulk density(tapped)
KS I ISO 15970-2010(2021) Natural gas－Measurement of properties－Volumetric properties: density, pressure, temperature and compression factor
KS M 3047-1993 Method for Measuring Smoke Density and Concentration of Gases Evolved by Incineration or Decomposition of Plastics
KS M ISO 17828:2021 Solid biofuels — Determination of bulk density
KS M ISO 3944:2006 Fertilizers-Determination of bulk density(loose)
KS M ISO 3944:2013 Fertilizers－Determination of bulk density(loose)
KS M 2002-1986 Crude petroleum and liquid petroleum products-Laboratory determination of density-Hydrometer method
KS M 2002-2011 Crude petroleum and liquid petroleum products-Laboratory determination of density-Hydrometer method
KS M ISO 3993-2003(2018) Liquefied petroleum gases and light hydrocarbons - Density or relative density test method - Hydrometric method
KS M ISO 21687-2021 Carbonaceous materials used in the production of aluminium－Determination of density by gas pyknometry (volumetric) using helium as the analysis gas－Solid materials
KS M ISO 8130-2:2008 Coating powders－Part 2：Determination of density by gas comparison pyknometer(referee method)
KS B 5213-2003 Specific gravity hydrometers

Association Francaise de Normalisation

NF B10-503:1973 QUARRY PRODUCTS. LIMESTONES. MEASUREMENT OF POROSITY, OF THE TRUE WEIGHT PER UNIT VOLUME, AND OF THE APPARENT WEIGHT PER UNIT VOLUME.
NF B40-318*NF ISO 5017:2013 Dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity
NF T20-050:1985 Chemical products for industrial use. Determination of density of liquids. Aerometric method.
NF X34-105:2010 Solid biofuels - Determination of bulk density.
NF EN ISO 15970:2014 Natural gas - Measurement of characteristics - Volumetric characteristics: density, pressure, temperature and compression factor
NF X34-105*NF EN ISO 17828:2016 Solid biofuels - Determination of bulk density
NF U44-314*NF EN 15761:2010 Pre-shaped growing media - Determination of length, width, height, volume and bulk density
NF X34-112:2011 Solid biofuels - Determination of particle density.
NF B57-012*NF ISO 2031:2015 Granulated cork - Determination of apparent bulk density
NF U42-401*NF EN 1236:1995 Fertilizers. Determination of bulk density (loose).
NF M03-039:1982 SOLID FUELS. COKE. DETERMINATION OF TRUE RELATIVE DENSITY,APPARENT RELATIVE DENSITY AND POROSITY.
NF M41-014*NF EN ISO 8973:1999 Liquefied petroleum gases. Calculation method for density and vapour pressure.
NF Q03-016:1993 Paper and board. Determination of thickness and apparent bulk density or apparent sheet density.
NF M41-008*NF EN ISO 3993:1995 Liquefield petroleum gas and light hydrocarbons. Determination of density or relative density. Pressure hydrometer method.
NF T60-101*NF EN ISO 3675:1998 Crude petroleum and liquid petroleum products. Laboratory determination of density. Hydrometer method.

Universal Oil Products Company (UOP)

UOP 851-2008 Density of Powders and Solids by Helium Displacement

Standard Association of Australia （SAA）

AS 4459.3:1999 Methods of sampling and testing ceramic tiles - Determination of water absorption, apparent porosity, apparent relative density and bulk density
AS 4459.3:1999(R2017) Methods of sampling and testing ceramic tiles - Determination of water absorption, apparent porosity, apparent relative density and bulk density
AS 2879.8:2000 Alumina - Determination of bulk density

FI-SFS

SFS 3772-1976 Determination of liquid density at 20 degrees Celsius

HU-MSZT

MSZ 5650/2-1971 Natural gas detection. Thickness detection
MSZ KGST 1504-1979 Density determination of liquid mixtures
MSZ 5650/1-1970 Natural gas calorific value and density measurement

IN-BIS

IS 4730-1968 How to measure the density of liquids

SE-SIS

SIS 02 14 11-1966 Determination of density by hydrometer

KR-KS

KS I ISO 15970-2023 Natural gas — Measurement of properties — Volumetric properties: density, pressure, temperature and compression factor
KS M ISO 17828-2021 Solid biofuels — Determination of bulk density
KS M ISO 21687-2016 Carbonaceous materials used in the production of aluminium－Determination of density by gas pyknometry (volumetric) using helium as the analysis gas－Solid materials

AT-ON

ONORM S 7021-1983 Testing of leather; determination of bulk density Leather testing; determination of apparent density

International Federation of Trucks and Engines

NAVISTAR CEMS BT-32-2009 Apparent Density Of Solid Matter Test
NAVISTAR MPAPS BT-32-2014 Apparent Density of Solid Matter Test

Danish Standards Foundation

DS/EN 15103:2010 Solid biofuels - Determination of bulk density
DS/CEN/TS 15401:2010 Solid recovered fuels - Determination of bulk density
DS/EN 1237:1996 Fertilizers - Determination of bulk density (tapped)
DS/EN 1236:1996 Fertilizers - Determination of bulk density (loose)
DS/EN 15761:2010 Pre-shaped growing media - Determination of length, width, height, volume and bulk density

European Committee for Standardization (CEN)

EN 15103:2009 Solid biofuels - Determination of bulk density
EN ISO 3675:1998 Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO 3675:1998)
EN 15761:2009 Pre-shaped growing media - Determination of length, width, height, volume and bulk density

Spanish Association for Standardization (UNE)

UNE 56919:1990 GRANULATED CORK. BULK DENSITY TEST.
UNE-EN ISO 15970:2014 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor (ISO 15970:2008)
UNE-EN 15761:2010 Pre-shaped growing media - Determination of length, width, height, volume and bulk density
UNE-EN ISO 845:1996 CELLULAR PLASTICS AND RUBBERS. DETERMINATION OF APPARENT (BULK) DENSITY. (ISO 845:1988).

Lithuanian Standards Office

LST EN 15103-2010 Solid biofuels - Determination of bulk density
LST 1361.7-1995 Mineral aggregates for road construction. Testing methods. Determination of absolute density, dry bulk density, compactness and porosity
LST EN 15761-2010 Pre-shaped growing media - Determination of length, width, height, volume and bulk density

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization

PREN 2825-1990 Aerospace Series Burning Behaviour@ Determination of Smoke Density and Gas Components in the Smoke of Materials Under the Influence of Radiating Heat and Flames - Determination of Smoke Density

PT-IPQ

NP 1695-1980 Crude oil and liquid petroleum products. Measurement of density and relative density by densitometer

IPC - Association Connecting Electronics Industries

IPC TP-1113 CD-1994 Circuit Board Ionic Cleanliness Measurement: What Does It Tell Us?

NZ-SNZ

NZS 4402.5.1.2:1986 Methods of Testing Soils for Civil Engineering Purposes Part 5.1: Soil Density Tests - Determination of the Density of Soil Test 5.1.2: Balloon Densometer Method for the Determination of the In Situ Density

BE-NBN

NBN-ISO 2031:1992 Granulated cork. Determination of bulk density
NBN-ISO 3993:1991 Liquefied petroleum gas and light hydrocarbons - Determination of density or relative density - Pressure hydrometer method