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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for ph standard sample

ph standard sample

ph standard sample, Total:300 items.

The international standard classification for "ph standard sample" includes: Standardization. General rules , Gases for industrial application , Colours and measurement of light , Chemical reagents , Application of statistical methods , Pigments and extenders , Documents in administration, commerce and industry , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "ph standard sample" includes: Standardization and Quality Management , Color , Reference reagent , Soil and fertilizer in general , Physical Chemical Component Standard Substance , Mathematics , Basic standard and general method for pigment , Basic standards and general methods for dye , Technical management , Tobacco .

National Health Commission of the People's Republic of China

  • GB 5009.237-2016 National Food Safety Standard - Determination of pH value of food

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

  • GB/T 15000.1-1994 Directives for the work of reference materials (1) General rules for description of reference materials in technical standards
  • GB/T 15000.3-1994 Directives for the work of reference materials (3) General principles and statistic methods for certificatoin of reference materials
  • GB 9838-1988 Standard soil and plant samples for 15N isotope rate analysis
  • GB/T 15000.8-2023 Directives for the work of reference materials—Part 8： Good practice in using reference materials
  • GB/T 22554-2010 Linear calibration using reference materials
  • GB/T 15000.4-2003 Directives for work of reference materials(4) - Contents of certificates and lables
  • GB/T 15000.9-2004 Directives for the work of reference materials（9）—Calibration in analytical chemistry and use of certified reference materials
  • GB/T 15000.8-2003 Directives for the work of reference materials(8) - Uses of certified reference materials
  • GB/T 15000.3-2023 Directives for the work of reference materials—Part 3: Reference materials—Characterization and assessment of homogeneity and stability
  • GB 6851-1986 pH Basic line; General rules for certification
  • GB 12983-1991 Standard color sample of national flag
  • GB/T 15000.7-2012 Directives for the work of reference materials (7)—General requirements for the competence of reference material producers
  • GB/T 15000.2-1994 Directives for the work of reference materials (2) The common terms and definitions of reference materials
  • GB/T 15000.4-1994 Directives for the work of reference materiapls (4). Stipulation of contents for certificate of certified reference materials
  • GB/T 15000.3-2008 Directives for the work of reference materials - Reference materials - General and statistical principles for certification
  • GB/T 15000.7-2021 Directives for the work of reference materials—Part 7:General requirements for the competence of reference material producers
  • GB/T 15000.5-1994 Directives for the work of reference materials (5) Technologic rules for reference materials of chemical composition
  • GB/T 15000.7-2001 Directives for the work of reference materials(7) - General requirements for the competence of reference material producers (ISO Guide 34: 2000,IDT)
  • GB 12983-2004 Standard color sample of antional flag
  • GB/T 15000.6-1996 Directives for the work of reference materials(6) General rules for package of certified refevence materials

Professional Standard - Non-ferrous Metal

Professional Standard - Electron

  • SJ/Z 3206.9-1989 Methods for inspection of standard samples or sample uniformity

四川省质量技术监督局

Group Standards of the People's Republic of China

Fujian Provincial Standard of the People's Republic of China

  • DB35/T 1838-2022 Geographical indication product Wuyi black tea standard sample
  • DB35/T 1838-2019 Geographical indication product Wuyi black tea standard sample

Professional Standard - Agriculture

  • NY/T 89-1988 Standard soil and plant samples for 15N isotope rate analysis

Professional Standard - Grain

  • LS/T 15111.3-2008 Southern wheat flour processing precision standard sample standard flour
  • LS/T 15121.3-2008 Early indica rice processing precision standard sample standard second class
  • LS/T 15121.2-2008 Early indica rice processing precision standard sample standard first class
  • LS/T 15123.3-2008 Late japonica rice processing precision standard sample standard second class
  • LS/T 15122.3-2008 Late Indica Rice Processing Precision Standard Sample Standard Second Class
  • LS/T 15112.3-2008 Northern wheat flour processing precision standard sample standard flour
  • LS/T 15123.2-2008 Late japonica rice processing precision standard sample standard first class
  • LS/T 15122.2-2008 Late Indica Rice Processing Precision Standard Sample Standard First Class

Professional Standard - Chemical Industry

Professional Standard-Ships

Professional Standard - Tobacco

Professional Standard - Military and Civilian Products

  • WJ 2295-1995 Acidity (PH) Standard Device Verification Regulations

American Society for Testing and Materials (ASTM)

Gosstandart of Russia

Association Francaise de Normalisation

  • NF T01-012:1973 Ph-measurement-standard solutions for calibration of ph-meters.

NL-NEN

RO-ASRO

VE-FONDONORMA

  • COVENIN 1080-1976 Test method for pH value of water extracts of woolen fabric samples in Venezuelan national standards
  • NORVEN 244-1976 Provisions on sample preparation and sample extraction in Venezuelan fertilizer standards

CN-STDBOOK

Korean Agency for Technology and Standards (KATS)

Military Standards (MIL-STD)

International Organization for Standardization (ISO)

German Institute for Standardization

  • DIN 19266:2000 pH measurement - Referenz buffer solutions for the calibration of pH measuring equipment
  • DIN 19266:2015 pH measurement - Reference buffer solutions for the calibration of pH measuring equipment

The American Road & Transportation Builders Association

GCC Standardization Organization

Japanese Industrial Standards Committee (JISC)

  • JIS Z 2383:1998 Standard specimens of metals and alloys, Determination of corrosion rate of standard specimens for the evaluation of corrosivity of atmospheres
  • JIS K 0022:1997 Reference material -- pH Standard solution -- Carbonate

Institute of Electrical and Electronics Engineers (IEEE)

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