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GB/T 7730.3-1997 PDF English

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GB/T 7730.3-1997: Methods for chemical analysis of ferromanganese. The determination of phosphorus content
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GB/T 7730.3: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 7730.3-1997English319 Add to Cart 3 days [Need to translate] Methods for chemical analysis of ferromanganese. The determination of phosphorus content
GB/T 7730.3-1987EnglishRFQ ASK 3 days [Need to translate] Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The alkalimetric method for the determination of phosphorus content

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Basic data

Standard ID GB/T 7730.3-1997 (GB/T7730.3-1997)
Description (Translated English) Methods for chemical analysis of ferromanganese. The determination of phosphorus content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.1
Word Count Estimation 8,848
Date of Issue 11/11/1997
Date of Implementation 5/1/1998
Older Standard (superseded by this standard) GB 7730.3-1987; GB 7730.4-1987
Adopted Standard JIS G1311-1987, NEQ; ASTM E31-1989, NEQ
Regulation (derived from) Announcement of Newly Approved National Standards No. 8, 2008 (No. 121 overall)
Issuing agency(ies) State Bureau of Technical Supervision
Summary This Standard is applicable to carbon ferromanganese, medium carbon ferromanganese, low carbon ferromanganese and blast furnace ferromanganese phosphorus contents. This Standard specifies the following two method for determining the amount of phosphorus. Methods I: Molybdenum blue spectrophotometric measurement range: 0. 050% ~ 0. 450%. Method II

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