JJF 2022-2023 English PDFUS$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. JJF 2022-2023: Calibration Specification for Gas Chromatographs of Liquor Analysis Status: Valid
Basic dataStandard ID: JJF 2022-2023 (JJF2022-2023)Description (Translated English): Calibration Specification for Gas Chromatographs of Liquor Analysis Sector / Industry: Metrology & Measurement Industry Standard Word Count Estimation: 15,188 Date of Issue: 2023-03-15 Date of Implementation: 2023-09-15 Issuing agency(ies): State Administration for Market Regulation JJF 2022-2023: Calibration Specification for Gas Chromatographs of Liquor Analysis---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.National Metrology Technical Specifications of the People's Republic of China JJF 2022-2023 Specification for calibration of gas chromatograph for liquor analysis of Liquor Analysis Released on 2023-03-15 2023-09-15 Implementation Released by the State Administration for Market Regulation Specification for calibration of gas chromatograph for liquor analysis Responsible Unit: National Technical Committee of Physical and Chemical Metrology Main drafting unit: Guizhou Metrology and Testing Institute China Institute of Metrology Participating in the drafting unit: National Wine and Processed Food Quality Supervision and Inspection Center This specification entrusts the National Technical Committee of Physical and Chemical Metrology to be responsible for interpretation The main drafters of this specification: Long Yuanping (Guizhou Metrology and Testing Institute) Hu Shuguo (National Institute of Metrology) Li Shitie (Guizhou Metrology and Testing Institute) Participating drafters: Wu Hao (Guizhou Metrology and Testing Institute) Huang Jialing (National Wine and Processed Food Quality Supervision and Inspection Center) Table of contentsIntroduction (Ⅱ) 1 Scope(1) 2 References(1) 3 Overview(1) 4 Metrological characteristics(1) 5 Calibration conditions(1) 5:1 Laboratory environmental conditions (1) 5:2 Standard materials and equipment for calibration (2) 5:3 Chromatographic calibration conditions (2) 6 Calibration Items and Calibration Methods(3) 6:1 Limit of detection (3) 6:2 Resolution(3) 6:3 Retention time repeatability and peak area repeatability (3) 7 Calibration Results(4) 8 Recalibration interval(4) Appendix A Calibration Record Format (for reference) (5) Appendix B Calibration Certificate Inner Page Reference Format (6) Appendix C Uncertainty Assessment of Detection Limits (7)IntroductionJJF 1071-2010 "Rules for Compilation of National Metrology Calibration Standards", JJF 1001-2011 "General Metrology Terminology and Definition", JJF 1059:1-2012 "Evaluation and Expression of Measurement Uncertainty" jointly constitute the support for the preparation of this specification The basic series of specifications: This specification refers to JJG700-2016 "Gas Chromatograph" and GB/T 10345-2007 "Liquor Analysis method": This specification is published for the first time: Specification for calibration of gas chromatograph for liquor analysis1 ScopeThis specification applies to the calibration of liquor analysis gas chromatograph equipped with a hydrogen flame ionization detector (FID):2 ReferencesThis specification references the following documents JJG700-2016 gas chromatograph GB/T 10345-2007 Analysis method of liquor For dated references, only the dated version applies to this specification; for undated references document, its latest version (including all amendments) applies to this specification:3 OverviewLiquor analysis gas chromatograph (hereinafter referred to as chromatograph) is to bring the vaporized liquor sample into the chromatogram by carrier gas: The column is used to separate the components in the sample according to the distribution or adsorption coefficient between the gas phase and the stationary phase in the chromatographic column: The separated components enter the hydrogen flame ionization detector in turn, and the detector converts the response value of each component into an electrical signal: The electrical signal is converted into a chromatogram by the data processing system, and qualitative analysis is carried out according to the retention time and peak area of each component: quantitative analysis: The chromatograph consists of a gas system, a sampling system, a separation system (column), a temperature control system, a detection system and data processing system components:4 Metrological characteristicsThe metering characteristics of the chromatograph are shown in Table 1: Table 1 Chromatography meter characteristics Measurement characteristics technical indicators Detection limit (n-butyl acetate) ≤5:0×10-3mg/mL Separation ≥ 80% Retention time repeatability≤1% Peak area repeatability≤3% Note: The above indicators are not used as the basis for qualified judgment and are for reference only:5 Calibration conditions5:1 Laboratory Environmental Conditions Laboratory temperature: (5~35) ℃, relative humidity: 20%~85%: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JJF 2022-2023_English be delivered?Answer: Upon your order, we will start to translate JJF 2022-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of JJF 2022-2023_English with my colleagues?Answer: Yes. The purchased PDF of JJF 2022-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |