GB/T 14849.4-2014: Methods for chemical analysis of silicon metal - Part 4: Determination of impurity contents - Inductively coupled plasma atomic emission spectrometric method

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Scope

This part of GB/T 14849 specifies the determination methods of iron, aluminum,
calcium, manganese, titanium, nickel, copper, chromium, vanadium,
magnesium, cobalt, phosphorus, potassium, sodium, lead, zinc, boron in
industrial silicon.
This part applies to the determination of iron, aluminum, calcium, manganese,
titanium, nickel, copper, chromium, vanadium, magnesium, cobalt, phosphorus,
potassium, sodium, lead, zinc, boron in industrial silicon. The measurement
range of each element is as shown in Table 1.
Table 1 -- Measurement range
Element Mass fraction / % Element Mass fraction / %
Iron 0.020 ~ 1.00 Magnesium 0.0010 ~ 0.50
Aluminum 0.020 ~ 1.00 Cobalt 0.0005 ~ 0.20
Calcium 0.010 ~ 1.00 Phosphorus 0.0010 ~ 0.10
Manganese 0.0050 ~ 0.50 Potassium 0.0010 ~ 0.50
Titanium 0.0050 ~ 0.50 Sodium 0.0010 ~ 0.50
Nickel 0.0050 ~ 0.50 Lead 0.0030 ~ 0.10
Copper 0.0010 ~ 0.50 Zinc 0.0010 ~ 0.50
Chromium 0.0010 ~ 0.50 Boron 0.0005 ~ 0.20
Vanadium 0.0005 ~ 0.20 - -

Basic Data

Standard ID	GB/T 14849.4-2014 (GB/T14849.4-2014)
Description (Translated English)	Methods for chemical analysis of silicon metal - Part 4: Determination of impurity contents - Inductively coupled plasma atomic emission spectrometric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H12
Classification of International Standard	77.120.10
Word Count Estimation	13,164
Date of Issue	12/5/2014
Date of Implementation	8/1/2015
Older Standard (superseded by this standard)	GB/T 14849.4-2008
Quoted Standard	GB/T 6682; GB/T 8170
Regulation (derived from)	Announcement of Newly Approved National Standards 2014 No. 27
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 industrial silicon iron, aluminum, calcium, manganese, iron, nickel, copper, chromium, vanadium, manganese, cobalt, phosphorus, potassium, sodium, lead, zinc, boron content determination. This Standard is applicable to the iron, al