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QX/T 67-2007Determination of concentration of carbon dioxide in flask samples from background atmosphere. Non-dispersive infrared absorption method (English PDF)

本底大气二氧化碳浓度瓶采样测定方法—非色散红外法

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Issued by

China Meteorological Administration

Level / Type

National · Recommended

Issue date

June 22, 2007

Implementation date

October 1, 2007

Scope

QX/T 67-2007 is the English-translated version of 本底大气二氧化碳浓度瓶采样测定方法—非色散红外法.

QX/T 67-2007 — This standard specifies the background concentration of carbon dioxide in the atmosphere non-dispersive infrared method. This standard applies to the bottom of a large sample of carbon dioxide gas cylinder sample concentration was determined.

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Document preview — QX/T 67-2007

National Standard of the People's Republic of China

ICS: 07.060
Classification: A 47

Issued by: China Meteorological Administration

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

QX/T 67-2007 was issued by China Meteorological Administration on 22 June 2007 and has been in force since 1 October 2007.

The QX/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 7 pages in English translation.

2 Scope Preview

This standard specifies the background concentration of carbon dioxide in the atmosphere non-dispersive infrared method. This standard applies to the bottom of a large sample of carbon dioxide gas cylinder sample concentration was determined.

QX/T 67-2007 falls under ICS 07.060, in the field of natural and applied sciences.

This catalogue holds 269 other QX/T standards in that field.

In this catalogue, QX/T standards carry edition years from 2001 to 2026.

3 About this standard

Issued by: China Meteorological Administration

English translation: about 7 pages

Chinese original: about 10,176 characters

4 Related standards

Standards on related subjects:

GB/T 33679-2017 — Technical safety requirements of rocket production for rainfall enhancement and hail suppression

GB/T 33673-2017 — Grade of horizontal visibility

DZ/T 0175-2014 — Specifications for Geological Mapping of Coal (1:50000 1:25000 1:10000 1:5000)

QX/T 90-2024 — Technical requirements for tree ring sample collection

QX/T 69-2024 — Aerosol Optical Depth - Sunlight meter method

QX/T 98-2023 — Low temperature and chilling damage levels during early rice sowing and seedling raising period

5 Classification and status

International classification (ICS): 07.060

Chinese Standard Classification (CCS): A 47

Prefix QX/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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