GB/T 6730.18-2006: Iron ores -- Determination of phosphorus content -- Molybdenum blue spectrophotometric method

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Scope

This Part of GB/T 6730 specifies the molybdenum blue spectrophotometric method for
the determination of phosphorus content.
This method is applicable to the determination of phosphorus content in natural iron
ores, iron concentrates, agglomerates, including sintered products. The presence of
arsenic, barium, titanium does not affect the determination results. The determination
range (mass fraction) is 0.003% ~ 2.00%.

Basic Data

Standard ID	GB/T 6730.18-2006 (GB/T6730.18-2006)
Description (Translated English)	Iron ores -- Determination of phosphorus content -- Molybdenum blue spectrophotometric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D31
Classification of International Standard	73.060.10
Word Count Estimation	12,123
Date of Issue	2006-11-01
Date of Implementation	2007-02-01
Older Standard (superseded by this standard)	GB/T 6730.18-1986
Quoted Standard	GB/T 6682; GB/T 6730.1; GB/T 10322.1; GB/T 12806; GB/T 12808
Adopted Standard	ISO 4687-1-1992, MOD
Regulation (derived from)	China National Standard Approval Announcement 2006 No.11 (Total No.98)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the molybdenum blue spectrophotometric determination of phosphorus content. This standard applies to natural iron ore, iron ore concentrate and build blocks, measuring sintered products include phosphorus content. Arsenic, presence of barium and titanium does not affect the measurement results. Measuring range (mass fraction): 0. 003% to 2. 00%.