金属材料及制品（化学成分）检测网

HB 5421-1998 金属材料化学成分分析方法 总则及一般规定

本标准规定了制（修）订和实施金属材料化学成分分析方法航空标准时必须遵守的总则及一般规则。 　　本标准适用于制（修）订和实施金属及其合金材料的化学成分分析方法适用于其它原材料的化学成分分析方法。本标准所指的成分分析方法包括化学法（重量法、滴定法、分光光度法、电化学法）、原子光谱法（吸收、发射、荧光

General rules and general regulations for chemical composition analysis methods of metallic materials

BS EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products -Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

KS L ISO 21068-3:2012 含有碳化硅原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

이 표준은 탄화규소 함유 내화물의 총 질소, 질화규소로서의 질소, 총 산소 그리고 유리 금

Chemical analysis of silicon-carbide-containing raw materials and refractory products-Part 3:Determination of nitrogen, oxygen and metallic and oxidic constituents

ISO 21068-3:2008 含有碳化硅原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

NF B49-423-3*NF EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3 : determination of nitrogen, oxygen and metallic and oxidic constituents.

EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮,氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated assilicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)

DIN EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008); English version of DIN EN ISO 21068-3:2008-12

NF B49-421:1990 耐火材料制品.铝矾土、硅质材料、碳化硅、碳和金属硅耐火材料制品的化学分析

Refractory products. Chemical analysis of aluminous, siliceous, silicon carbide, carbon and metallic silicon refractory products.

UNI 6919-1971 航空用金属材料．钢产品化学成分的测定和偏差

GB/T 4734-1996 陶瓷材料及制品化学分析方法

本标准规定了陶瓷材料及制品中二氧化硅、三氧化二铝、三氧化二铁、二氧化钛、氧化镁、氧化钙、氧化钾、氧化钠、一氧化锰、五氧化二磷、三氧化硫、灼烧减量的化学分析方法。 本标准适用于陶瓷材料及制品的化学成分分析

Methods of chemical analysis for ceramic materials and articles

HB 5421-1989 金属材料化学分析方法 总则及一般规定

本标准规定了制（修）订和实施金属材料化学分析方法航空标准时必须遵守的总则及一般规定。 　　本标准适用于制（修）订和实施金属材料──钢铁、高温合金、铝合金、镁合金、钛合金、铜合金、贵金属及其合金等的化学分析方法，也适用于其它原材料的化学分析方法。航空工业部门所属单位在制（修）订和实施企业标准时亦可

General principles and general provisions of chemical analysis methods for metallic materials

LST EN ISO 21068-3:2008 含碳化硅原材料和耐火制品的化学分析 第3部分：氮、氧以及金属和氧化物成分的测定（ISO 21068-3:2008）

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)

PN H04701-06-1991 有色金属用于银及其合金化学成分测定的样品采样和制备

Nonferrous metals Sampling and preparation of samples for the determination of the chemical composition of silver and its alloys

prEN 601-1991 铸铝合金.用于生产与食品接触的材料和物品的金属的化学成分

Cast aluminium alloys; chemical composition of the metal used for the production of materials and articles intended to be in contact with food

DS/EN ISO 21068-3:2008 含碳化硅原料和耐火制品的化学分析 第3部分：氮、氧和金属及氧化物成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

HB 5421-1998 金属材料化学成分分析方法 总则及一般规定

本标准规定了制（修）订和实施金属材料化学成分分析方法航空标准时必须遵守的总则及一般规则。 　　本标准适用于制（修）订和实施金属及其合金材料的化学成分分析方法适用于其它原材料的化学成分分析方法。本标准所指的成分分析方法包括化学法（重量法、滴定法、分光光度法、电化学法）、原子光谱法（吸收、发射、荧光

General rules and general regulations for chemical composition analysis methods of metallic materials

BS EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products -Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

KS L ISO 21068-3:2012 含有碳化硅原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

이 표준은 탄화규소 함유 내화물의 총 질소, 질화규소로서의 질소, 총 산소 그리고 유리 금

Chemical analysis of silicon-carbide-containing raw materials and refractory products-Part 3:Determination of nitrogen, oxygen and metallic and oxidic constituents

ISO 21068-3:2008 含有碳化硅原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents

NF B49-423-3*NF EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3 : determination of nitrogen, oxygen and metallic and oxidic constituents.

EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮,氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated assilicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)

DIN EN ISO 21068-3:2008 含碳化硅的原材料和耐火制品的化学分析.第3部分:氮、氧和金属及氧化成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008); English version of DIN EN ISO 21068-3:2008-12

NF B49-421:1990 耐火材料制品.铝矾土、硅质材料、碳化硅、碳和金属硅耐火材料制品的化学分析

Refractory products. Chemical analysis of aluminous, siliceous, silicon carbide, carbon and metallic silicon refractory products.

UNI 6919-1971 航空用金属材料．钢产品化学成分的测定和偏差

GB/T 4734-1996 陶瓷材料及制品化学分析方法

本标准规定了陶瓷材料及制品中二氧化硅、三氧化二铝、三氧化二铁、二氧化钛、氧化镁、氧化钙、氧化钾、氧化钠、一氧化锰、五氧化二磷、三氧化硫、灼烧减量的化学分析方法。 本标准适用于陶瓷材料及制品的化学成分分析

Methods of chemical analysis for ceramic materials and articles

HB 5421-1989 金属材料化学分析方法 总则及一般规定

本标准规定了制（修）订和实施金属材料化学分析方法航空标准时必须遵守的总则及一般规定。 　　本标准适用于制（修）订和实施金属材料──钢铁、高温合金、铝合金、镁合金、钛合金、铜合金、贵金属及其合金等的化学分析方法，也适用于其它原材料的化学分析方法。航空工业部门所属单位在制（修）订和实施企业标准时亦可

General principles and general provisions of chemical analysis methods for metallic materials

LST EN ISO 21068-3:2008 含碳化硅原材料和耐火制品的化学分析 第3部分：氮、氧以及金属和氧化物成分的测定（ISO 21068-3:2008）

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008)

PN H04701-06-1991 有色金属用于银及其合金化学成分测定的样品采样和制备

Nonferrous metals Sampling and preparation of samples for the determination of the chemical composition of silver and its alloys

prEN 601-1991 铸铝合金.用于生产与食品接触的材料和物品的金属的化学成分

Cast aluminium alloys; chemical composition of the metal used for the production of materials and articles intended to be in contact with food

DS/EN ISO 21068-3:2008 含碳化硅原料和耐火制品的化学分析 第3部分：氮、氧和金属及氧化物成分的测定

This part of ISO 21068 specifies methods for the determination of total nitrogen and nitrogen calculated as silicon nitride, total oxygen, and free

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents