Determination of yield of humic acids in coal

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GB/T 11957-1989 Determination of yield of humic acids in coal
Standard No.:	GB/T 11957-1989	Status:	ABOLISHED remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	3000 words	Price(USD):	90 (USD) remind me the price change Email:
Implemented on:	1990-12-01	Delivery:	via email in 1-3 business day
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Standard No.:	GB/T 11957-1989
Chinese Name:	煤中腐植酸产率测定方法
English Name:	Determination of yield of humic acids in coal
Professional Classification:	D20 Solid fuel ore in general
Professional Classification:	GB National Standard
Issued by:
Issued on:
Implemented on:	1990-12-01
Status:	ABOLISHED
Replace By:	GB/T11957-2001 Determination of yield of humic acids in coal
Replace By Date:	2002-08-01
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90 (USD)
Delivery:	via email in 1-3 business day

GB/T 11957-1989 The following standards are cited：

GB/T 11957-1989 Cited by the following standards：

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