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HYT248-2018 English PDF

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HYT248-2018: High purity magnesia
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HY/T 248-2018English189 Add to Cart 3 days [Need to translate] High purity magnesia Valid HY/T 248-2018

PDF similar to HYT248-2018


Standard similar to HYT248-2018

GB/T 40260   GB 38508   GB/T 3634.1   HY/T 210   HY/T 209   

Basic data

Standard ID HY/T 248-2018 (HY/T248-2018)
Description (Translated English) High purity magnesia
Sector / Industry Marine Industry Standard (Recommended)
Classification of Chinese Standard G85
Classification of International Standard 07.060; 71.100
Word Count Estimation 8,876
Date of Issue 2018-07-09
Date of Implementation 2018-10-01
Quoted Standard GB/T 2999-2002; GB/T 5069-2007; GB/T 17617; GB/T 49-1999
Regulation (derived from) Ministry of Natural Resources Announcement No. 25 of 2018
Issuing agency(ies) Ministry of Natural Resources of the People's Republic of China
Summary This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-purity magnesia made from seawater (brine). This standard applies to the production and inspection of high purity magnesia.

HYT248-2018: High purity magnesia

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
High purity magnesia ICS 07.060; 71.100 G85 People's Republic of China Marine Industry Standard High purity magnesia Published on.2018-07-09 2018-10-01 Implementation Ministry of Natural Resources of the People's Republic of China

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Technical requirements 1 4 Test method 1 5 Inspection rules 3 6 Marking, packaging, transportation, storage 4 Reference 5

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Tianjin Institute of Seawater Desalination and Comprehensive Utilization of the Ministry of Natural Resources. This standard is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283). This standard was drafted. Tianjin Institute of Seawater Desalination and Comprehensive Utilization of the Ministry of Natural Resources. The main drafters of this standard. Huang Xiping, Wang Yuqi, Zhang Yushan, Zhang Wei, Wang Yucong, Cai Ronghua, Lu Shaozhen, Wang Liang, Zhang Wenyan. High purity magnesia

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-purity magnesia made from seawater (brine). This standard applies to the production and inspection of high purity magnesia.

2 Normative references

The following documents are indispensable for the application of this document. 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 2999-2002 Refractory material particle bulk density test method GB/T 5069-2007 Magnesium-aluminum refractory chemical analysis method GB/T 17617 Sampling of refractory raw materials and unshaped refractory materials HJ/T 49-1999 Determination of boron in water quality - Curcumin spectrophotometric method

3 Technical requirements

The technical indicators of high-purity magnesia should meet the requirements of Table 1. Table 1 project index Special products, first-class products, second-class products, third-class products Magnesium oxide (MgO) /% ≥99.0 ≥98.0 ≥97.0 ≥96.0 Silica (SiO2) /% ≤0.3 ≤0.6 ≤1.5 ≤2.2 Calcium oxide (CaO) /% ≤0.3 ≤1.2 ≤1.5 ≤2.0 Iron oxide (Fe2O3) /% ≤0.15 ≤0.2 ≤0.25 ≤0.3 Alumina (Al2O3) /% ≤ 0.2 ≤ 0.2 ≤ 0.3 ≤ 0.3 Boron oxide (B2O3) /% ≤0.15 ≤0.2 ≤0.3 ≤0.4 Burning loss /% ≤0.2 ≤0.2 ≤0.3 ≤0.3 Particle bulk density/(g/cm3) ≥ 3.4 ≥ 3.3 ≥ 3.3 ≥ 3.2

4 Test methods

4.1 Determination of magnesium oxide content According to the provisions of Chapter 13 of GB/T 5069-2007.

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