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GB/T 21187-2007 English PDF

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GB/T 21187-2007: Atomic absorption spectrophotometer
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PDF similar to GB/T 21187-2007


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Basic data

Standard ID GB/T 21187-2007 (GB/T21187-2007)
Description (Translated English) Atomic absorption spectrophotometer
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N53
Classification of International Standard 71.040.01
Word Count Estimation 12,128
Date of Issue 2007-09-12
Date of Implementation 2008-05-01
Regulation (derived from) China Announcement of Newly Approved National Standards No. 12 of 2007 (No. 112 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the atomic absorption spectrophotometer requirements, test methods, inspection rules and signs, packaging, transport and storage, quality assurance.

GB/T 21187-2007: Atomic absorption spectrophotometer

---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.
Atomic absorption spectrophotometer ICS 71.040.01 N53 National Standards of People's Republic of China Atomic absorption spectrophotometer Posted 2007-09-12 2008-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. The standard measurement and control of the instruments Standardization Technical Committee Technical Committee (SAC/TC124/SC6) by the National Industrial Process Centralized. This standard was drafted. Beijing Rayleigh Analytical Instruments, Tsinghua University, National Research Center for Geoanalysis, non-ferrous metals and electronic Materials Analysis and Testing Center, Beijing Institute of Metrology detection of Shanghai Precision & Scientific Instrument Co., Ltd., Beijing North sub Instrument the company. The main drafters. Zhang Yihe school, Deng Bo, Yang Xiaotao, Zhang Zheng Yongnian, Zang Peng A single strong following, Tao Chongwen. This standard is the first release. Atomic absorption spectrophotometer

1 Scope

This standard specifies the atomic absorption spectrophotometer requirements, test methods, inspection rules and signs, packaging, transportation and storage, quality assurance Card. This standard is applicable to a flame atomization, electrothermal atomization atomic absorption spectrophotometer function (hereinafter referred to as "the instrument").

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191-2000 Packaging - Pictorial signs (eqv ISO 780. 1977) GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 15464-1995 instrumentation packaging technology JB/T 9329-1999 instrumentation transportation, transportation, storage and basic environmental conditions and test methods JB/T 9355-1999 measured by atomic absorption method for preparing calibration solutions

3 Requirements

3.1 Normal operating conditions Instrument working environment should be met. a) ambient temperature 15 ℃ ~ 30 ℃; b) Relative humidity should not exceed 75%; c) without vibration and electromagnetic interference on the instrument used; d) non-corrosive gases indoors, good ventilation; e) Power supply. voltage 220V ± 22V, frequency 50Hz ± 1Hz. 3.2 wavelength accuracy and wavelength reproducibility a) wavelength accuracy shall not exceed ± 0.5nm; b) Wavelength repeatability not greater than 0.3nm. 3.3 Resolution 0.2nm spectral bandwidth spectral measurement should not exceed half the width of 0.2nm ± 0.02nm. 3.4 baseline stability a) within 30min baseline drift should not exceed 0.005Abs; b) the maximum instantaneous baseline noise within 30min should not exceed 0.005Abs. 3.5 sensitivity 3.5.1 Flame Copper concentration of 2.0μg/mL standard solution measuring the absorbance of not less than 0.200Abs (Zeeman type equipment for 0.06Abs). 3.5.2 Graphite furnace Copper concentration of 20ng/mL, 20μL injection volume, measured absorbance of standard solution of not less than 0.08Abs; 10μL injection volume, Measuring the absorbance of the standard solution of not less than 0.04Abs.

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