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GB/T 11436-2012 English PDF

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GB/T 11436-2012: Chemical analysis methods for products and semi-finished products made of soft ferrite materials
Status: Valid

GB/T 11436: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 11436-2012English559 Add to Cart 5 days [Need to translate] Chemical analysis methods for products and semi-finished products made of soft ferrite materials Valid GB/T 11436-2012
GB/T 11436-1989English599 Add to Cart 4 days [Need to translate] Chemical analysis methods for products and semifinished products made of soft ferrite materials Obsolete GB/T 11436-1989

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Basic data

Standard ID GB/T 11436-2012 (GB/T11436-2012)
Description (Translated English) Chemical analysis methods for products and semi-finished products made of soft ferrite materials
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L19
Classification of International Standard 29.030
Word Count Estimation 24,23
Older Standard (superseded by this standard) GB/T 11436-1989
Quoted Standard GB/T 601-2002; GB/T 602-2002; GB/T 603-2002; GB/T 6682-2008
Regulation (derived from) National Standards Bulletin No. 41 of 2012
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 soft ferrite materials finished products, semi-finished products for chemical analysis. This standard applies to Mn-Zn ferrite material ferrite, nickel zinc ferrite, nickel zinc ferrite materials, magnesium (copper) zinc ferrit

GB/T 11436-2012: Chemical analysis methods for products and semi-finished products made of soft ferrite materials


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ICS29.030 L19 National Standards of People's Republic of China Replacing GB/T 11436-1989 Soft ferrite materials, semi-finished Methods for chemical analysis Issued on. 2013-06-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Reagents and water 1 4 Mn-Zn ferrite material analysis 1 4.1 Preparation of sample solution 1 4.2 Determination of iron 1 4.3 Determination of manganese 2 4.4 Determination of zinc 3 4.5 Determination of calcium 5 4.6 Determination of silica content of 6 5 nickel-zinc ferrite material analysis 7 5.1 Preparation of sample solution 7 5.2 Determination of iron 7 5.3 Determination of Nickel 7 5.4 Determination of zinc 8 5.5 Determination of manganese 9 5.6 Determination of cobalt 10 6 nickel-copper-zinc ferrite material analysis 11 6.1 Preparation of sample solution 11 11 6.2 Determination of iron 6.3 Determination of nickel 12 6.4 Determination of zinc 12 12 6.5 Determination of manganese 12 6.6 Determination of copper 7 magnesium (Cu) Zn ferrite material analysis 13 7.1 Preparation of the sample solution 13 13 7.2 Determination of iron 7.3 Determination of magnesium 14 7.4 Determination of zinc 15 16 7.5 Determination of copper 8 nickel-magnesium (Cu) Zn ferrite material analysis 16 8.1 Preparation of the sample solution 16 16 8.2 Determination of iron 8.3 Determination of zinc 16 17 8.4 Determination of magnesium 17 8.5 Determination of copper 8.6 Determination of nickel 17 9 Mn-Mg (Cu) Zn ferrite material analysis 18 9.1 Preparation of sample solution 18 18 9.2 Determination of iron 18 9.3 Determination of manganese 9.4 Determination of zinc 18 18 9.5 Determination of magnesium 18 9.6 Determination of copper Appendix A (normative) Supplementary requirements 19

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard replaces GB/T 11436-1989 "finished products for chemical analysis of ferrite materials." This standard compared with GB/T 11436-1989, the main changes are as follows. --- Increase the "scope" and "normative references." --- Original standard 1.3.2 "chrome black T indicator. 10%" to 4.4.2 "indicator chrome black T. 1%." --- Conduct of formula (6) was amended (see 4.5 4, 1989 edition of 4.4.4). --- Original standard 4.5.1 "orange chromium ions formed" to 5.6.1, "coordination compound." --- The symbol of each formula element contents are represented by Xi said the number of standard clauses were re-arranged. --- Ni, Cu and Zn increased, Cu, Zn, Mg, Cu, Zn, Ni main component magnesium, manganese, magnesium, copper-zinc and other materials analysis. --- Increased component analysis of normal impurities added to the SiO2 material. --- Delete the original standard "aluminum reduction process" and the "determination of manganese." The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the national magnetic components and ferrite materials Standardization Technical Committee (SAC/TC89) centralized. This standard was drafted. Composite Materials Co., Ltd. Zhejiang Chunhui. The main drafters of this standard. Luming Yue, Chen Junqing, Han Guohua, Gu Lijun. This standard replaces the standards previously issued as follows. --- GB/T 11436-1989. Soft ferrite materials, semi-finished Methods for chemical analysis

1 Scope

This standard specifies the ferrite materials, semi-finished chemical analysis. This standard applies to ferrite material Mn-Zn ferrite material, nickel-zinc ferrite material, nickel, copper-zinc ferrite material, magnesium (Cu) Zinc Ferrite material, zinc ferrite materials, chemical analysis of nickel-zinc ferrite material magnesium (Cu), manganese, magnesium (Cu).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of GB/T 601-2002 Chemical reagents Titration standard solution Determination of GB/T 602-2002 Chemicals impurity standard solution prepared by GB/T 603-2002 Chemicals in test methods - Preparations with GB/T 6682-2008 analytical laboratory use specifications and test methods

3 Reagents and water

Test methods used in the reagents and water, did not indicate when the other requirements, refer to analytically pure reagents and GB/T 6682-2008 specified The water used in the test standard titration solution, impurity standard solution, preparations and products, did not indicate when the other requirements, according GB/T 601-2002, regulations preparation GB/T 602-2002, GB/T 603-2002 of. 4 Mn-Zn ferrite material analysis 4.1 Preparation of sample solution 1g sample weighed (accurate to 0.0002g), placed in 250mL beaker, add hydrochloric acid (1.1) 30mL, heated to dissolve, cooled But later, moved into 200mL volumetric flask, dilute with water to volume, mix and set aside. This is solution A. 4.2 Determination of iron 4.2.1 Method summary With stannous chloride reduction of ferric ion to ferrous ion, high mercury chloride was added to remove excess stannous chloride, sodium diphenylamine sulfonate as Indicator, titrated with standard potassium dichromate solution. 4.2.2 Reagents and solutions The reagents and solutions shall meet the following requirements. a) hydrochloric acid, a 1. 1; b) Stannous chloride solution. 10%; Weigh 10g of stannous chloride dissolved in 10mL hydrochloric acid (ρ = 1.19g/cm3, ρ is the density, the same below)

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