HOME   Cart(1)   Quotation   About-Us Tax PDFs Standard-List
Powered by Google-Search & Google-Books www.ChineseStandard.net Database: 189760 (2 Jul 2022)

JJF 1135-2005

JJF 1135-2005_English: PDF (JJF1135-2005)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)Related StandardStatusPDF
JJF 1135-2005English409 Add to Cart 3 days Evaluation of Uncertainty in Chemical Analysis Measurement JJF 1135-2005 Valid JJF 1135-2005

BASIC DATA
Standard ID JJF 1135-2005 (JJF1135-2005)
Description (Translated English) Evaluation of Uncertainty in Chemical Analysis Measurement
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A61
Classification of International Standard 17
Word Count Estimation 17,123
Date of Issue 2005-09-05
Date of Implementation 2005-12-05
Quoted Standard JJF 1059-1999; JJF 1001-1998; JJF 1071-2000; ISO 5725
Drafting Organization National Research Center
Administrative Organization National Technical Committee physical stoichiometric
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to: all accuracy requirements measurement and chemical analysis from basic research to routine analytical measurements all areas. For example: a, establish national stoichiometric base, standards and international comparison, b, standard materials research, c, chemical measurement methods formulation and evaluation of proficiency testing, d, chemical analysis equipment test/calibration, type evaluation, e, chemical measurements in research, development and product testing arbitration, f, research, production quality control, quality assurance.

JJF 1135-2005
Evaluation of Uncertainty in Chemical Analysis Measurement
People's Republic of China National Measurement Specifications
Chemical analysis of measurement uncertainty
2005-09-05 released
2005-12-05 implementation
General Administration of Quality Supervision, Inspection and Quarantine released
Chemical analysis of measurement uncertainty
This standard was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 5,.2005 and has been issued since
December 5,.2005 shall come into force.
Administrative Organization. National Physical Chemistry Metrology Technical Committee
Drafting unit. National Standard Materials Research Center
This specification is responsible for the interpretation of the National Physical Chemistry Metrology Technical Committee
The main drafters of this code.
Ni Xiaoli (National Standard Materials Research Center)
Participate drafters.
Shao Mingwu (National Institute of Standards and Materials)
Xiaohua Xiao (National Institute of Standards and Materials)
Song Xiaoping (National Institute of Standards and Materials)
table of Contents
1 Application (1)
2 References (1)
3 basic terms and definitions (1)
4 chemical analysis of the main source of measurement uncertainty (3)
4.1 Description of the test object (3)
4.2 Sampling (3)
4.3 Sample Preparation (3)
4.4 Standard Material Selection for Measurement Systems (3)
4.5 Instrument Calibration/Calibration (4)
4.6 Analysis and Measurement (4)
4.7 Data Processing (4)
5 chemical analysis of measurement uncertainty in the evaluation process (4)
5.1 Detailed Description Measured (4)
5.2 Identification of sources of uncertainty (6)
5.3 Quantification of uncertainty (6)
5.4 Synthesis of standard uncertainty calculation (7)
5.5 Extended uncertainty given (8)
6 Chemical analysis of the measurement results (9)
6.1 expressed in standard uncertainty (9)
6.2 Expanded Uncertainty (9)
6.3 Measurement results Uncertainty of the effective digital representation (9)
Appendix A chemical analysis of measurement uncertainty in the evaluation procedure diagram (10)
Appendix B Distribution Function and Standard Uncertainty Calculation Table (11)
Appendix C Distribution of tp (ν) values (t values) for different confidence probabilities p and degrees of freedom ν (12)
Chemical analysis of measurement uncertainty
This technical specification follows the "Guidance on Expression of Uncertainty in Measurement" (GUM) and "Evaluation of Uncertainty in Chemical Analysis
Evaluation Guide "(EURACHEM/CITACGuideQuantifyingUncertaintyinAnalysisMeasure-
ment), combined with the characteristics of chemical analysis and measurement, from the scientific, normative, practical point of view
Development, establishment of evaluation model, standardization of chemical analysis of measurement uncertainty and representation.
1 range of applications
This specification applies to all the chemical analysis of accuracy requirements and from basic research to routine analysis of each
field. E.g.
a) Establish national stoichiometry, standards and international comparisons;
b) Development of standard substances;
c) Preparation and evaluation of chemical measurement methods, proficiency testing;
d) verification/calibration of chemical analysis instruments, type evaluation;
e) chemical measurement research, development and product arbitration test;
f) scientific research, production quality control, quality assurance.
2 References
JJF 1059-1999 "Measurement Uncertainty Evaluation and Expression"
JJF 1001-1998 "Common measurement terms and definitions"
JJF 1071-2000 "National Metrology Calibration Code Writing Rules"
EURACHEM/CITACGuideQuantifyingUncertaintyinAnalyticalMeasurement
("Guide to Evaluation of Uncertainty in Chemical Analysis")
ISO 5725Accuracyofmeasurementmethodsandresults
When using this specification, care should be taken to use the currently valid version of the above referenced document.
3 basic terms and definitions
3.1 [Measurement] uncertainty uncertainty [ofameasurement]