DIN EN ISO 21068-1-2008
含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008); English version of DIN EN ISO 21068-1:2008-12

DIN EN ISO 21068-1-2008 发布历史

This part of ISO 21068 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products including: a) graphite brick containing silicon carbide; b) silicon carbide brick (includes the bricks containing silicon nitride); c) refractories containing carbon and/or silicon carbide mixed with clay; d) refractories containing carbon and/or silicon carbide mixed with silica (and fused silica); e) refractories containing carbon and/or silicon carbide mixed with high alumina material; f) refractories containing carbon and/or silicon carbide mixed with magnesia (and dolomite); g) refractories containing carbon and/or silicon carbide mixed with chrome mineral or magnesia-chrome materials; h) refractories containing carbon and/or silicon carbide except those described in a) to g) above. The items of chemical analysis described in ISO 21068, Parts 1 to 3 are as follows: 1) loss on drying (LOD); 2) loss on ignition (LOI); 3) total carbon, Ctotal; 4) free carbon, Cfree; 5) silicon carbide, SiC; 6) free silicon (Sifree); 7) free aluminium (Alfree); 8) free magnesium (Mgfree); 9) free iron (Fefree); 10) silicon(IV) oxide (SiO2); 11) aluminium oxide (AI203); 12) iron(Ill) oxide (total iron oxide calculated as Fe203); 13) titanium(IV) oxide (TiO2); 14) calcium oxide (CaO); 15) magnesium oxide (MgO); 16) sodium oxide (Na20); 17) potassium oxide (K20); 18) chromium(Ill) oxide (Cr203); 19) zirconium oxide (ZrO2); 20) boron oxide (total boron calculated as B203); 21) nitrogen; 22) oxygen; 23) nitrides (undifferentiated: Si3N4, AIN, BN, sialon, oxy-nitrides, etc.).

DIN EN ISO 21068-1-2008由德国标准化学会 DE-DIN 发布于 2008-12。

DIN EN ISO 21068-1-2008 在中国标准分类中归属于: Q41 硅质耐火材料，在国际标准分类中归属于: 81.080 耐火材料。

DIN EN ISO 21068-1-2008 发布之时，引用了标准

• ISO 31-0 数量和单位.第0部分:总则.修改件2
• ISO 5022 定型耐火制品 取样和验收试验
• ISO 8656-1 耐火制品 原料及不定形材料的取样 第1部分:取样方案
• ISO 12677-2003 用XRF对耐火材料进行化学分析.熔铸法
• ISO 21068-2-2008 含有碳化硅原材料和耐火制品的化学分析.第2部分:点火、总碳、单体碳和碳化硅、总二氧化硅和游离二氧化硅及总硅和游离硅减少的测定
• EN 12698-2 氮化物结合碳化硅耐火材料的化学分析.第2部分:X射线衍射(XRD)法

DIN EN ISO 21068-1-2008的历代版本如下：

• 2008年12月 DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51079-1-2004 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51079-2-2004 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51075-1-1982 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51075-2-1984 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51075-3-1982 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51075-4-1982 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51075-5-1982 变更而来。

DIN EN ISO 21068-1-2008 含碳化硅的原材料和耐火制品的化学分析.第1部分:一般信息和样品制备 由 DIN 51076-1-1991 变更而来。

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标准号

DIN EN ISO 21068-1-2008

发布日期

2008年12月

实施日期

废止日期

无

中国标准分类号

Q41

国际标准分类号

81.080

发布单位

DE-DIN

引用标准

ISO 31-0 ISO 5022 ISO 8656-1 ISO 12677-2003 ISO 21068-2-2008 EN 12698-2

被代替标准

DIN 51079-1-2004 DIN 51079-2-2004 DIN EN ISO 21068-1-2007 DIN 51075-1-1982 DIN 51075-2-1984 DIN 51075-3-1982 DIN 51075-4-1982 DIN 51075-5-1982 DIN 51076-1-1991

适用范围

This part of ISO 21068 gives definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide-containing raw materials and refractory products including: a) graphite brick containing silicon carbide; b) silicon carbide brick (includes the bricks containing silicon nitride); c) refractories containing carbon and/or silicon carbide mixed with clay; d) refractories containing carbon and/or silicon carbide mixed with silica (and fused silica); e) refractories containing carbon and/or silicon carbide mixed with high alumina material; f) refractories containing carbon and/or silicon carbide mixed with magnesia (and dolomite); g) refractories containing carbon and/or silicon carbide mixed with chrome mineral or magnesia-chrome materials; h) refractories containing carbon and/or silicon carbide except those described in a) to g) above. The items of chemical analysis described in ISO 21068, Parts 1 to 3 are as follows: 1) loss on drying (LOD); 2) loss on ignition (LOI); 3) total carbon, Ctotal; 4) free carbon, Cfree; 5) silicon carbide, SiC; 6) free silicon (Sifree); 7) free aluminium (Alfree); 8) free magnesium (Mgfree); 9) free iron (Fefree); 10) silicon(IV) oxide (SiO2); 11) aluminium oxide (AI203); 12) iron(Ill) oxide (total iron oxide calculated as Fe203); 13) titanium(IV) oxide (TiO2); 14) calcium oxide (CaO); 15) magnesium oxide (MgO); 16) sodium oxide (Na20); 17) potassium oxide (K20); 18) chromium(Ill) oxide (Cr203); 19) zirconium oxide (ZrO2); 20) boron oxide (total boron calculated as B203); 21) nitrogen; 22) oxygen; 23) nitrides (undifferentiated: Si3N4, AIN, BN, sialon, oxy-nitrides, etc.).

DIN EN ISO 21068-1-2008系列标准