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Database: 365,228(8 Aug 2026)

very unstable acid

very unstable acid, Total:248 items.

The international standard classification for "very unstable acid" includes: Other equipment for petroleum and natural gas industries , Pulps , Animal feeding stuffs , Tea , Acids , Protection against fire in general , Protection against dangerous goods .

The Chinese standard classification for "very unstable acid" includes: Petroleum exploration, development, gathering and transportation engineering in general , Papermaking in general , Paper pulp and paperboard , Livestock and poultry feed and additive , Basic standards and general methods , Inorganic acid and alkali , Fire-fighting in general , Marking, packaging, transport and storage in general , Tea products .


Professional Standard - Chemical Industry

  • HG/T 5941~5942-2021 Caprylic acid labeled with stable isotope 13C and amino acid labeled with stable isotope 15N (2021)

Professional Standard - Petroleum

  • SY/T 6363-1998 Technical requirement for transient well testing
  • SY/T 5762-1995 Performance determination of clay stabilizer for fracture and acidification

未注明发布机构

  • DIN 4084 E:2021-05 Soil - Calculation of embankment failure and overall stability of retaining structures
  • DIN 4084 E:2002-11 Soil - Calculation of embankment failure and overall stability of retaining structures

工业和信息化部

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

  • GB/T 8308-2013 Tea - Determination of Acid-insoluble Ash Content
  • GB/T 7978-2005 Pulps - Determination of acid-insoluble ash
  • GB/T 747-2003 - Determination of acid-insoluble lignin
  • GB/T 12684.2-1990 Boric acid for industrial use-Determination of insoluble substance content in water
  • GB/T 7978-1987 Pulps--Determination of acid-insoluble ash
  • GB/T 17802-2011 Thermal analysis test methods for kinetic constants of combustible materials
  • GB/T 23742-2009 Animal feeding stuffs - Determination of ash insoluble in hydrochloric acid
  • GB/T 8308-2002 Tea - Determination of acid - Insoluble ash content
  • GB/T 10304.7-1988 Determination of nonsolute for chloricacid in cathode carbonate
  • GB/T 7193.5-1987 Unsaturated polyester resin--Determination of heat stability at 80 Centigrade
  • GB/T 2677.8-1994 Fibrous raw material—Determination of acid-insoluble lignin
  • GB/T 2895-1982 Determination for acid value of unsaturated polyester resins

Military Standard of the People's Republic of China-General Armament Department

  • GJB 3169-1998 Specification for Spherical Phase Stabilized Ammonium Nitrate
  • GJB 3169A-2021 Specification for Spherical Phase Stabilized Ammonium Nitrate

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 34711-2017 Testing method for classification of chemically unstable gases

Professional Standard - Agriculture

Inner Mongolia Provincial Standard of the People's Republic of China

RU-GOST R

  • GOST 28447.0-1990 Pneumotextured threads. Methods for the determination of structure and tensile strength instability
  • GOST 26490-1985 Soils. Determination of mobile sulfur by CINAO method
  • GOST 11612.11-1985 Photomultipliers. Measuring method of instability
  • GOST 961-1989 Acid-resistant and thermostable acid-resistant ceramic tiles. Specifications
  • GOST 18986.21-1978 Reference diodes and stabistors. Method for measuring time drift of working voltage
  • GOST 21316.5-1975 Photocells. Method of instability measurement
  • GOST R 55332-2012 Milk and milk products. Methods for determination of free (destabilization) fat
  • GOST 27395-1987 Soils. Determination of mobile two-triwalent iron compounds after Verigina Arinushkina
  • GOST 26211-1991 Soils. Determination of mobile compounds phosphorus by Arrhenius method modified by VIUA
  • GOST ISO 1577-2014 Tea. Method for determination of acid-insoluble ash
  • GOST 26487-1985 Soils. Determination of exchangeable calcium and exchangeable (mobile) magnesium by CINAO methods
  • GOST 24596.12-2015 Feed phosphates. Method for determination of ash insoluble in hydrochloric acid
  • GOST 24445.6-1992 Phthalic anhydride for industrial use. Method for determination of colour stability
  • GOST 26209-1991 Soils. Determination of mobile compounds of phosphorus and potassium by Egner-Riem method (DL-method)
  • GOST 27894.6-1988 Peat and products of its processing for agriculture. Method for determination of mobile forms of potassium
  • GOST 27894.7-1988 Peat and products of its processing for agriculture. Methods for determination of mobile forms of iron
  • GOST 27894.5-1988 Peat and products of its processing for agriculture. Methods for determination of mobile forms of phosphorus
  • GOST 26205-1991 Soils. Determination of mobile compounds of phosphorus and potassium by Machigin method modified by CINAO
  • GOST 29021-1991 Vitreous and porcelain enamels. Determination of resistance to citric acid at room temperature
  • GOST 26206-1991 Soils. Determination of mobile compounds of phosphorus and potassium by Oniani method modified by CINAO
  • GOST 25918-1983 Continuous-wave lasers. Methods for measurement of radiation frequency instability
  • GOST 26207-1991 Soils. Determination of mobile compounds of phosphorus and potassium by Kirsanov method modified by CINAO
  • GOST 22304-2015 Unsaturated polyester resins. Methods for determination of acid value
  • GOST 24596.12-1996 Feed phosphates. Method for determination of ash (residue) insoluble in hydrochloric acid

BE-NBN

SE-SIS

Building Officials and Code Administrators International(U.S.)

SCC

ESDU - Engineering Sciences Data Unit

American National Standards Institute (ANSI)

GOST

  • GOST 22690.0-1977 Concrete is heavy. General requirements for methods for determining strength without destruction using mechanical instruments
  • GOST 22690.3-1977 Concrete is heavy. Method for determining peel strength
  • GOST 22690.1-1977 Concrete is heavy. Methods for determining slope strength and plastic deformation

RO-ASRO

  • STAS 11576-1983 FLUXES FOR SOLDERING OF METALS Classification
  • STAS 11391-1980 Stabilizers for plastics CADMIUM STEARATK
  • STAS 10397-1975 CELLULOSE NITRATE Determination of the stability at 134,5°C
  • STAS 7818-1989 ORGANIC DYES FOR LEATHER Strength determination at acids and alkalies and stability at ncids
  • STAS 2633-1976 CKMENTS Determinatkm of the stability to Ihc aggressiveness of sulphate waters
  • STAS 6099-1980 SURFACE AGENTS Determination of stabilit}' against acide
  • STAS 7494-1991 Stabilizers for plastics tribasic lead sulphate
  • STAS 21/4-1973 OILSEED RESIDUES Determinatiop of ash insoluble in hydrochloric acid

Indonesia Standards

GOSTR

  • GOST 6263-2020 Cool chemical products. Method for the determination of total sulphur
  • GOST 6263-1980 Cool chemical products. Method for the determination of total sulphur

International Telecommunication Union (ITU)

AT-ON

AENOR

  • UNE 55131:1984 FAT MATTERS. DETERMINATION OF 1-MONOGLYCERIDES
  • UNE 66046:1978 COMPARISON OF THE MEAN OF A LOT WITH A GIVEN VALUE (KNOW VARIANCE)
  • UNE-ISO 776:2017 Pulps. Determination of acid-insoluble ash
  • UNE 66050:1978 COMPARISON OF THE MEAN OF A LOT WITH A GIVEN VALUE (VARIANCE UNKNOWN)
  • UNE-ISO 2817:2011 Tobacco and tobacco products. Determination of silicated residues insoluble in hydrochloric acid.

Danish Standards Foundation

  • DS 236:1977 Water analysis. Stability with respect to calcium carbonate
  • DS/ISO 5985:2003 Animal feeding stuffs - Determination of ash insoluble in hydrochloric acid
  • DS/ISO 5985/Corr. 1:2005 Animal feeding stuffs - Determination of ash insoluble in hydrochloric acid

ES-AENOR

  • UNE 53-340 Pt.1-1991 Determination of thermal stability of acrylic resin plates
  • UNE 7 136 Stability of aggregates in contact with sodium sulfate or magnesium sulfate solutions
  • UNE 55-535-1989 Determination of stable anionic active neutral non-hydrolyzable substances in detergents
  • UNE 57-156-1991 Determination of acid-insoluble gray matter in pulp
  • UNE 57-100-1986 Determination of insoluble acid content of papermaking pulp
  • UNE 55-533-1990 Determination of acid hydrolysis of stable anionic active substances in detergents
  • UNE 34-878-1986 Pasteurized stabilized cheese. Determination of phosphatase activity. Reference method
  • UNE 31 013 Stability test of colloidal gunpowder, by observing cold acidity

GM Europe

  • GME QK 000198-1983 Polycarbonat -Formmasse, UV-stabilisiert Polycarbonate - Moulding Compounds, UV Stabilized

German Institute for Standardization

  • DIN 4084:2009 Soil - Calculation of embankment failure and overall stability of retaining structures
  • DIN EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions; German version EN 14712:2005
  • DIN EN ISO 1061:2000 Plastics - Unplasticized cellulose acetate - Determination of free acidity (ISO 1061:1990); German version EN ISO 1061:1999
  • DIN 10805:1985-10 Analysis of tea; determination of acid insoluble ash
  • DIN 10805:1985 Analysis of tea; determination of acid insoluble ash

FI-SFS

  • SFS 3608-1976 Stabilizing substance for sulfite residues
  • SFS 5537-1989 The rated voltage of the rubberized cable does not exceed 450/750V. 110°C thermally stable connection cable

GM North America

TN-INNORPI

  • NT 19.13-1983 Leather. Determination of water and other unstable materials.
  • NT 19.14-1983 Leather. Determination of water and other unstable materials.

Association Francaise de Normalisation

  • XP M07-134:2009 Automotive fuels - Blends of diesel and fatty acid methyl esters (FAME) - Oxidation stability by determination of insoluble content and variation in acid number
  • NF ISO 1577:1989 Thé - Détermination des cendres insolubles dans l'acide
  • NF T12-026:1983 Pulps. Determination of acid insoluble ash.
  • NF T20-452:1976 Sodium sulphate for industrial use. Determination of acid-insoluble matter.
  • NF V03-347*NF ISO 1577:1989 Tea. Determination of acide-insoluble ash.
  • NF Q03-122*NF ISO 776:2011 Pulps - Determination of acid-insoluble ash
  • NF ISO 24185:2022 Evaluation of the measurement uncertainty of an autocorrelated stationary process
  • NF T20-705:1965 Chemical analysis of organic phthalates. Determination of colour stability.
  • NF ISO 930:1998 Épices - Détermination des cendres insolubles dans l'acide
  • NF ISO 776:2011 Pâtes - Détermination des cendres insolubles dans l'acide
  • NF V18-102:1977 Animal feeding stuffs.determination of ash insoluble in hydrochloric acid.
  • NF T73-427*NF EN 14712:2005 Surface active agents - Determination of physical stability in alkaline and acid solutions.
  • NF V05-104:1974 Produits dérivés des fruits et légumes - Détermination des cendres insolubles dans l'acide chlorhydrique.
  • NF ISO 5985:2013 Aliments des animaux - Dosage des cendres insolubles dans l'acide chlorhydrique
  • NF V03-405:1985 SPICES AND CONDIMENTS. DETERMINATION OF ACID INSOLUBLE ASH.

National Fire Protection Association (NFPA)

International Organization for Standardization (ISO)

  • ISO 3235:1975 Sodium sulphate for industrial use; Determination of acid-insoluble matter
  • ISO 776:1982 Pulps; Determination of acid-insoluble ash
  • ISO 776:1974 Title missing - Legacy paper document
  • ISO 776:2011 Pulps - Determination of acid-insoluble ash
  • ISO 24185:2022 Evaluation of the uncertainty of measurements from a stationary autocorrelated process
  • ISO 1577:1987 Tea; Determination of acid-insoluble ash
  • ISO 1577:1980 Tea — Determination of acid-insoluble ash
  • ISO/TR 11332:1998 Hydrometric determinations - Unstable channels and ephemeral streams
  • ISO 1598:1990 Plastics; cellulose acetate; determination of insoluble particles
  • ISO 735:1977 Oilseed residues; Determination of ash insoluble in hydrochloric acid

Korean Agency for Technology and Standards (KATS)

British Standards Institution (BSI)

  • BS ISO 776:2011 Pulps. Determination of acid-insoluble ash
  • BS ISO 24185:2022 Evaluation of the uncertainty of measurements from a stationary autocorrelated process
  • BS EN ISO 287:2017 Paper and board. Determination of moisture content of a lot. Oven-drying method
  • BS 4496:1984 Method for determination of acid-insoluble ash of pulp
  • BS IEC 61888:2002 Nuclear power plants. Instrumentation important to safety. Determination and maintenance of trip setpoints
  • BS ISO 763:2003(2010) Fruit and vegetable products — Determination of ash insoluble in hydrochloric acid
  • BS ISO 5985:2002+A1:2015 Animal feeding stuffs. Determination of ash insoluble in hydrochloric acid.
  • PD ISO/TR 9210:2017 Hydrometry. Measurement in meandering river and in streams with unstable boundaries

CZ-CSN

PL-PKN

  • PN C85047-1957 dye. Determination of the stability and colorfastness of iron and copper salts in dyeing baths
  • PN C85048-1957 dye. Determination of the stability and colorfastness of hexavalent chromium salts in dyeing baths
  • PN P04929-1957 Test methods for textiles -- Determination of colour fastness to acidic chlorination
  • PN H04805-11-1991 Zinc powder Determination of acid insoluble matter content
  • PN P04928-1959 Test methods for textiles -- Determination of colour fastness to avivage with lactic acid solution
  • PN C84081-46-1988 Salt (Sodium chloride) Determination of parts insoluble in acid and preparation of acid ?xtract

National Aeronautics and Space Administration (NASA)

(U.S.) Ford Automotive Standards

GB-REG

Japanese Industrial Standards Committee (JISC)

  • JIS A 1122:1998 Method of test for soundness of aggregates by use of sodium sulfate
  • JIS A 1122:2005 Method of test for soundness of aggregates by use of sodium sulfate
  • JIS A 1122:2014 Method of test for soundness of aggregates by use of sodium sulfate

PH-BPS

GSO

Defense Logistics Agency

VN-TCVN

  • TCVN 4071-2009 Candy.Determination of insoluble ash in hydrochloric acid
  • TCVN 5612-2007 Tea.Determination of acid-insoluble ash
  • TCVN 5076-2001 Tobacco and tobacco products.Determination of silicated residues insoluble in hydrochloric acid

KR-KS

TR-TSE

American Society for Testing and Materials (ASTM)

  • ASTM E476-87(2001) Standard Test Method for Thermal Instability of Confined Condensed Phase Systems (Confinement Test)
  • ASTM A923-08 Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
  • ASTM A923-14 Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
  • ASTM A923-06 Standard Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
  • ASTM E698-01 Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
  • ASTM E698-99 Standard Test Method for Arrhenius Kinetic Constants for Thermally Unstable Materials
  • ASTM E1231-19 Standard Practice for Calculation of Hazard Potential Figures of Merit for Thermally Unstable Materials

International Electrotechnical Commission (IEC)

  • IEC 61868:1998 Mineral insulating oils - Determination of kinematic viscosity at very low temperatures

The American Road & Transportation Builders Association

  • AASHTO T 104-2022 Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association

  • JEDEC JESD241-2015 Procedure for Wafer-Level DC Characterization of Bias Temperature Instabilities
  • JEDEC JESD90-2004 A Procedure for Measuring P-Channel MOSFET Negative Bias Temperature Instabilities

GM Global

  • GMW 16867-2012 Determine Permanent Growth Potential in Aluminum Due to Metallurgical Instability Issue 1; English

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

  • IEEE 1139-2008 Definitions of Physical Quantities for Fundamental Frequency and Time Metrology-Random Instabilities

ET-QSAE

  • ES B.K8.104-1973 Determination of hydrochloric acid-insoluble ash content of oil seed residues

NL-NEN

  • NEN 3331-1969 Feeding stuffs. Determination of ash, insoluble in alkali and hydrochloric acid

IT-UNI

  • UNI 5139-1963 Fabrics: color fastness test, color fastness to acid

Society of Motion Picture and Television Engineers (SMPTE)

  • SMPTE RP 17-1964 Photographic Recording Technique for Measuring High-Speed Camera Image Unsteadiness

ACI - American Concrete Institute

  • ACI EB071-1991 Solidification and Stabalization of Waste Using Portland Cement