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Position: Chinese Standard in English/GB/T 18204.26-2000
GB/T 18204.26-2000   Methods for determination of formaldehyde in air of public places (English Version)
Standard No.: GB/T 18204.26-2000 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 3500 words Price(USD):60.0 remind me the price change

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Implemented on:2001-1-1 Delivery: via email in 1 business day
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Standard No.: GB/T 18204.26-2000
English Name: Methods for determination of formaldehyde in air of public places
Chinese Name: 公共场所空气中甲醛测定方法
Chinese Classification: C51    Environmental sanitation
Professional Classification: GB    National Standard
Issued by: CBTS
Issued on: 2000-9-3
Implemented on: 2001-1-1
Status: superseded
Superseded by:GB/T 18204.2-2014 Examination methods for public places—Part 2:Chemical pollutants
Superseded on:2014-12-1
Language: English
File Format: PDF
Word Count: 3500 words
Price(USD): 60.0
Delivery: via email in 1 business day
1 Scope This Standard specifies the methods for determination of formaldehyde concentration in air of public places. This Standard is applicable to the determination of formaldehyde concentration in air of public places. Method I MBTH Spectrophotometric Method 2 Principle Formaldehyde in the air and 3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) react to form azine and the azine is oxidized by ferric ion in acid solution to form blue-green compound. Colorimetric assay is conducted according to color shade. 3 Reagent Water adopted in this method is redistilled water or deionized exchange water, and the reagent adopted is analytically pure.
1 Scope 2 Principle 3 Reagent 4 Apparatus 5 Sampling 6 Analysis Steps 7 Calculation of Results 8 Determination Range, Interfere and Elimination 9 Principle 10 Reagents and Materials 11 Apparatus 12 Sampling 13 Analysis Steps 14 Calculation Appendix A (Normative) Preparation and Calibration Methods for Sodium Thiosulfate Standard Solution Appendix B (Informative) Preparation of Manganese Sulfate Filter Paper
GB/T 18204.26-2000 is referred in:
* GB 50591-2010 Code for Construction and Acceptance of Cleanroom
* GB 18587-2001 Indoor decorating and refurbishing materials-Limitations of harmful substances emitted from carpets,carpet cushions and adhesives
* GB 50325-2010 Code for indoor environmental pollution control of civil building engineering
* GB 50325-2010 Code for indoor environmental pollution control of civil building engineering
* GB 50591-2010 Code for Construction and Acceptance of Cleanroom
* GB 18587-2001 Indoor decorating and refurbishing materials-Limitations of harmful substances emitted from carpets,carpet cushions and adhesives
* QB/T 2280-2007 Office chair
* GB/T 18883-2002 Indoor Air Quality Standard
* TB/T 3139-2006 Decorating materials and indoor air limit of harmful substance for railway locomotive and vehicle
*QB/T 2761-2006 Methods for determination of purificatory effect of indoor environment decontamination product
*DBJ 15-93-2013 Technical code for indoor environmental pollution control of civil building engineering
*GB 50325-2010(2013) Code for indoor environmental pollution control of civil building engineering (2013)
Code of China
Standard
GB/T 18204.26-2000  Methods for determination of formaldehyde in air of public places (English Version)
Standard No.GB/T 18204.26-2000
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count3500 words
Price(USD)60.0
Implemented on2001-1-1
Deliveryvia email in 1 business day
Detail of GB/T 18204.26-2000
Standard No.
GB/T 18204.26-2000
English Name
Methods for determination of formaldehyde in air of public places
Chinese Name
公共场所空气中甲醛测定方法
Chinese Classification
C51
Professional Classification
GB
ICS Classification
Issued by
CBTS
Issued on
2000-9-3
Implemented on
2001-1-1
Status
superseded
Superseded by
GB/T 18204.2-2014 Examination methods for public places—Part 2:Chemical pollutants
Superseded on
2014-12-1
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
3500 words
Price(USD)
60.0
Keywords
GB/T 18204.26-2000, GB 18204.26-2000, GBT 18204.26-2000, GB/T18204.26-2000, GB/T 18204.26, GB/T18204.26, GB18204.26-2000, GB 18204.26, GB18204.26, GBT18204.26-2000, GBT 18204.26, GBT18204.26
Introduction of GB/T 18204.26-2000
1 Scope This Standard specifies the methods for determination of formaldehyde concentration in air of public places. This Standard is applicable to the determination of formaldehyde concentration in air of public places. Method I MBTH Spectrophotometric Method 2 Principle Formaldehyde in the air and 3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) react to form azine and the azine is oxidized by ferric ion in acid solution to form blue-green compound. Colorimetric assay is conducted according to color shade. 3 Reagent Water adopted in this method is redistilled water or deionized exchange water, and the reagent adopted is analytically pure.
Contents of GB/T 18204.26-2000
1 Scope 2 Principle 3 Reagent 4 Apparatus 5 Sampling 6 Analysis Steps 7 Calculation of Results 8 Determination Range, Interfere and Elimination 9 Principle 10 Reagents and Materials 11 Apparatus 12 Sampling 13 Analysis Steps 14 Calculation Appendix A (Normative) Preparation and Calibration Methods for Sodium Thiosulfate Standard Solution Appendix B (Informative) Preparation of Manganese Sulfate Filter Paper
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Keywords:
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