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GB/T 3043-2017 English PDF

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GB/T 3043-2017: Conventional abrasive -- Chemical analysis of brown fused aluminium oxide
Status: Valid

GB/T 3043: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 3043-2017English679 Add to Cart 6 days [Need to translate] Conventional abrasive -- Chemical analysis of brown fused aluminium oxide Valid GB/T 3043-2017
GB/T 3043-2000English599 Add to Cart 4 days [Need to translate] Abrasive grains and crude. Chemical analysis of brown fused aluminium oxide Obsolete GB/T 3043-2000
GB/T 3043-1989EnglishRFQ ASK 3 days [Need to translate] Chemical analysis methods for brown-fused alumina Obsolete GB/T 3043-1989

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Basic data

Standard ID GB/T 3043-2017 (GB/T3043-2017)
Description (Translated English) Conventional abrasive -- Chemical analysis of brown fused aluminium oxide
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J43
Classification of International Standard 25.100.70
Word Count Estimation 34,347
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) GB/T 3043-2000
Regulation (derived from) National Standards Bulletin 2017 No. 32
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

GB/T 3043-2017: Conventional abrasive -- Chemical analysis of brown fused aluminium oxide

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Conventional abrasive - Chemical analysis of brown fused aluminum oxide ICS 25.100.70 J43 National Standards of People's Republic of China Replacing GB/T 3043-2000 Ordinary abrasive corundum chemical analysis method (ISO 9285.1997, Abrasivegrains and citru-Chemicalanalysis of fusedaluminiumoxide, MOD) 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Sample Preparation 1 4 burning reduction (or burning increase) determination 1 5 Determination of silica 2 6 ferric oxide, titanium dioxide, calcium oxide, magnesium oxide and aluminum oxide separation 7 7 Determination of ferric oxide 7 8 Titanium dioxide colorimetric determination of 11 Determination of calcium oxide 12 10 Determination of magnesium oxide 15 Gravimetric determination of zirconium dioxide 16 12 Determination of aluminum oxide 18 13 Atomic absorption spectroscopy 21 14 X-ray fluorescence spectrometry (tabletting method) 22 Determination of potassium oxide, sodium oxide (flame photometry) Appendix A (Informative) Under vacuum conditions, the measurement conditions of each element 26 Appendix B (informative) This standard ISO 9285.1997 compared with the structural changes 27

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 3043-2000 "corundum chemical analysis method", compared with the GB/T 3043-2000 main technical changes are as follows. --- Increasing the determination of silica gel method (see 5.3); --- Increasing the determination of ferrous sulfate sulfosalicylic acid colorimetric method (see 7.3); --- Increased calcium oxide determination of the volume method (see 9.2); --- Increased capacity of magnesia determination method (see 10.2); --- Added X-ray fluorescence spectrometry (tablet method) (see Chapter 14); --- Increased potassium oxide, sodium oxide determination (flame photometry) (see Chapter 15). This standard uses redrafted Law Amendment uses ISO 9285.1997 "abrasive and crystalline fused fused alumina chemical analysis." This standard compared with ISO 9285.1997 in the structure there are more adjustments, Appendix B lists the standard and ISO 9285.1997 Chapter number control list. This standard and ISO 9285.1997 technical differences and the reasons are as follows. --- On normative references, this standard made a technical difference with the adjustment to adapt to China's technical conditions, adjust the situation Concentration reflected in the second chapter "Normative references", the specific adjustments are as follows. ● Use modified GB/T 4676 international standard instead of ISO 9138.1993; ● Deleted references to ISO 6353-1.1982, ISO 6353-2.1983, ISO 6353-2/Add.2.1986 and ISO 6353- 3.1987. --- Increased determination of the determination of silica gel agglomeration, ferrous sulfate determination of sulfosalicylic acid colorimetric method, calcium oxide and magnesium oxide Determination of the volume method, the EDTA capacity of aluminum oxide method to meet the status quo of our test methods, methods are long-term Practice verification, test results are stable and reliable. --- Increasing X-ray fluorescence spectrometry (tabletting method), because of X-ray fluorescence spectrometry (tabletting method) corundum silica, Ferric oxide, titanium dioxide, calcium oxide, magnesium oxide, zirconium dioxide content has been widely recognized at home and abroad, proved its Test results are stable and reliable. --- Increasing the determination of potassium oxide, sodium oxide (flame photometry), because most domestic enterprises do not have atomic absorption spectrometry Force, to adapt to the status quo of our country increased flame photometry. --- Removed the international standard appendix A, because the original Appendix A only pointed out that other available analytical methods, combined with China's actual situation Part of the situation has been the provisions of the standard provisions. This standard made the following editorial changes. --- The standard name was changed to "ordinary abrasive corundum chemical analysis method." This standard is proposed by the China Machinery Industry Federation. This standard by the National Abrasives Standardization Technical Committee (SAC/TC139) centralized. This standard was drafted. Zhengzhou abrasive abrasive grinding Institute Co., Ltd., Shanxi Taiyue Abrasives Co., Ltd., Chongqing Boxing Mining (set Mission) Limited. The main drafters of this standard. Zhang Yi, Sun Rufang, Feng Bingqiang, fly, Feng Wei, Shao Sen, Lee To-you, Qiao Qian, Bao Hua. This standard replaces the standards previously issued as. --- GB/T 3043-1989, GB/T 3043-2000. Ordinary abrasive corundum chemical analysis method

1 Scope

This standard specifies the corundum abrasive and crystal ingot burning reduction (or burning), silica, ferric oxide, titanium dioxide, calcium oxide, oxygen Determination of magnesium, zirconium dioxide, aluminum oxide, potassium oxide and sodium oxide. This standard applies to the determination of corundum abrasive and chemical composition of the crystal block does not apply to the composition of the product after the change occurs.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 4676 ordinary abrasive sampling method (GB/T 4676-2003, ISO 9138.1993, MOD)

3 Sample Preparation

3.1 crystalline block sample Take a statistically representative of the crystalline block, crushed to fully through the 2mm screen, mix, with the quartering down to 10g ~ 20g. Following Continued use steel mortar or corundum mortar finely ground through the 150μm sieve. With suction 9.8N ~ 14.7N magnet sucked out into the smashing Iron. Then mix well, put into the sample bag, dry in oven at 105 ℃ ~ 110 ℃ for 1h, take it out, put it in the dryer and cool it for use. 3.2 abrasive samples Sampling and shrinking according to GB/T 4676. Abrasives with a particle size of > 150 μm are first reduced to 10 g to 20 g and then finely ground in a corundum mortar until they all pass through a 150 μm mesh, Uniform, into the sample bag, drying placed in the dryer spare. Abrasive size ≤ 150μm, shrink to 10g ~ 20g into the sample bag, drying placed in the dryer spare. 3.3 Instrument analysis Sample preparation 3.3.1 atomic absorption spectrometry sample preparation Atomic absorption spectrometry sample preparation methods see 13.3. 3.3.2 X-ray fluorescence spectrometry (tabletting method) Preparation of the sample X-ray fluorescence spectrometry (tabletting method) sample preparation methods see 14.4.1. 4 burning reduction (or burning increase) determination 4.1 Test Procedure Weigh the sample about 1g, accurate to 0.0001g, placed in a high-temperature furnace 1050 ℃ before burning to a constant weight platinum crucible, note the crucible Plus the quality of the sample, cover micro-Kai, placed in 1100 ℃ high temperature furnace burning 1h, removed, placed in a desiccator cooling, weighing, repeated burning to

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