GB 4920-1985 English Version, GB 4920-1985 Determination of Sulphuric Acid Mist in Tail Gas in Sulphuric Acid Concentration Process - Barium Chromate Colorimetric Method (English Version)

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GB 4920-1985 Determination of Sulphuric Acid Mist in Tail Gas in Sulphuric Acid Concentration Process - Barium Chromate Colorimetric Method (English Version)
Standard No.:	GB 4920-1985	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	1500 words	Translation Price(USD):	30.0 remind me the price change Email:
Implemented on:	1985-8-1	Delivery:	via email in 1 business day

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Standard No.:	GB 4920-1985
English Name:	Determination of Sulphuric Acid Mist in Tail Gas in Sulphuric Acid Concentration Process - Barium Chromate Colorimetric Method
Chinese Name:	硫酸浓缩尾气硫酸雾的测定铬酸钡比色法
Chinese Classification:	Z25 Analysis methods for exhaust emission pollutants
Professional Classification:	GB National Standard
ICS Classification:	13.040.50 13.040.50 Transport exhaust emissions 13.040.50
Source Content Issued by:	NEPA
Issued on:	1985-01-18
Implemented on:	1985-8-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	1500 words
Translation Price(USD):	30.0
Delivery:	via email in 1 business day

GB 4920-1985 is referred in:

*DB50/ 418-2016 Integrated Emission Standards of Air Pollutants

Standard

GB 4920-1985 Determination of Sulphuric Acid Mist in Tail Gas in Sulphuric Acid Concentration Process - Barium Chromate Colorimetric Method (English Version)
Standard No.	GB 4920-1985
Status	valid
Language	English
File Format	PDF
Word Count	1500 words
Price(USD)	30.0
Implemented on	1985-8-1
Delivery	via email in 1 business day

Detail of GB 4920-1985

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Introduction of GB 4920-1985

This standard is applicable to the analysis of sulphuric acid mist in tail gas in sulphuric acid concentration process in fire-explosive factory, and the test range is 100~30000mg /m3. 1 Principle Sulfate ions will react with barium chromate and generate yellow chromate ions, and the colorimetric measurement is carried out according to the degree of yellow color.

Contents of GB 4920-1985

1 Principle 2 Instruments 3 Reagents 4 Operations 5 Calculations 6 Attentions Additional Explanations:

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Keywords:
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