GB/T 22404-2008 English Version, GB/T 22404-2008 Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate (English Version)

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Position: Chinese Standard in English/GB/T 22404-2008

GB/T 22404-2008 Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate (English Version)
Standard No.:	GB/T 22404-2008	Status:	valid remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	5000 words	Price(USD):	150.0 remind me the price change Email:
Implemented on:	2009-6-1	Delivery:	via email in 1~3 business day

Standard No.:	GB/T 22404-2008
English Name:	Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate
Chinese Name:	摄影加工用化学品无水碳酸钠和一水合碳酸钠
Chinese Classification:	G84 Photographic-grade chemicals
Professional Classification:	GB National Standard
ICS Classification:	37.040.30 37.040.30 Photographic chemicals 37.040.30
Issued by:	AQSIQ; SAC
Issued on:	2008-10-10
Implemented on:	2009-6-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.0
Delivery:	via email in 1~3 business day

Standard

GB/T 22404-2008 Photography - Processing chemicals - Specifications for anhydrous sodium carbonate and sodium carbonate monohydrate (English Version)
Standard No.	GB/T 22404-2008
Status	valid
Language	English
File Format	PDF
Word Count	5000 words
Price(USD)	150.0
Implemented on	2009-6-1
Delivery	via email in 1~3 business day

Detail of GB/T 22404-2008

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Introduction of GB/T 22404-2008

本标准等同采用ISO 424：1994《摄影———加工用化学品———无水碳酸钠和一水合碳酸钠规范》（英文版）。
本标准等同翻译ISO 424：1994。
本标准规定了照相级无水碳酸钠和一水合碳酸钠的纯度要求及测试纯度的试验方法。
为了便于使用，本标准做了如下编辑性修改：
———“本国际标准”或“ISO 424”改为“本标准”；
———用小数点“．”代替作为小数点的逗号“，”；
———删除ISO 424：1994的前言、引言；
———将第2章“规范性引用文件”所列部分国际标准用等同翻译的国家标准代替。

Contents of GB/T 22404-2008

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