HG/T 2957.7-2004 English PDF

US$179.00 · In stock
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HG/T 2957.7-2004: Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry
Status: Valid

HG/T 2957.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HG/T 2957.7-2004	179	Add to Cart	2 days	Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry	Valid
HG/T 2957.7-1984	RFQ	ASK	3 days	Alunite ores-Determination of potassium and sodium contents-Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods	Obsolete

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Basic data

Standard ID: HG/T 2957.7-2004 (HG/T2957.7-2004)
Description (Translated English): Alunite ores potassium and sodium content. The Potassium Tetraphenylborate gravimetric and flame emission spectrophotometry
Sector / Industry: Chemical Industry Standard (Recommended)
Classification of Chinese Standard: D51
Classification of International Standard: 73.080
Word Count Estimation: 5,544
Date of Issue: 2004-12-14
Date of Implementation: 2005-06-01
Older Standard (superseded by this standard): HG/T 2957.7-1984
Quoted Standard: GB/T 6682
Regulation (derived from): Development and Reform Commission Notice (2004/ 75)
Summary: This standard specifies the solar collector basic requirements for environmental labeling products, technical content and test methods. This standard applies to the use of solar radiation heating, heat the working fluid is a liquid collector.

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