755 标准查询与下载

DS/EN 24937:1991 钢铁.铬含量测定.电位测定法或观察法

The standard specifies a method for the determination of chromium in steel and iron by potentiometric or visual titration. The method is applicable to chromium contents between 0,25 and 35% (m/m).

Steel and iron. Determination of chromium content. Potentiometric or visual titration method

DS/EN 24943:1991 钢铁材料化学分析.铜含量测定.火焰原子吸收分光光度测量法

The standard specifies a method for the determination of copper in steel and cast iron by means of flame atomic absorption spectrometry. The method is applicable to copper contents in the range 0,004 to 0,5% (m/m).

Steel and cast iron. Determination of copper content. Flame atomic absorption spectrometric method

DS/ISO 4946:1991 钢和铸铁.铜含量的测定.2,2 ' 一联喹啉分光光度法

The standard specifies a 2,2'-diquinolyl spectrophotometric method for the determination of copper in steel and cast iron. The method is applicable to copper contents between 0,02 and 5% (m/m).

Steel and cast iron. Determination of copper content. 2,2'. Diquinolyl spectrophotometric method

DS/EN 24938:1991 钢铁.镍含量测定.重量分析法或滴定法

The standard specifies a method for the determination of nickel in steel and iron, using either a gravimetric or titrimetric method. The method is applicable to nickel contents from 0,5 to 30% (m/m).

Steel and iron. Determination of nickel content. Gravimetric or titrimetric method

DS/EN 24946:1991 钢和铸铁中铜含量的测定

The standard specifies a 2,2'-diquinolyl spectrophotometric method for the determination of copper in steel and cast iron. The method is applicable to copper contents between 0,02 and 5% (m/m).

Steel and cast iron. Determination of copper content. 2,2'. Diquinolyl spectrophotometric method

DS/ISO 4829-1:1991 钢和铸铁. 硅总含量的测定. 还原二价钼硅盐酸分光光度法. 第1部分: 硅含量在0. 05-1. 0% 之间

The standard specifies a spectrophotometric method using reduced molybdosilicate for the determination of total silicon in steel and cast iron.

Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 1: Silicon contents between 0,05 and 1,0 %

DS/ISO 4829-2:1991 钢和铁. 硅总含量的测定. 还原二价硅酸盐分光光度法. 第2部分:硅含量在0.01%-0.05%

The standard specifies a spectrophotometric method using reduced molybdosilicate for the determination of total silicon in steel and iron. The method is applicable to silicon contents between 0,01 and 0,05 %(m/m) in steel and iron.

Steel and iron. Determinaiton of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 2: Silicon contents between 0,01 and 0,05 %

DS/ISO 4937:1991 钢和铁.铬含量的测定.电位滴定法或目视滴定法

The standard specifies a method for the determination of chromium in steel and iron by potentiometric or visual titration. The method is applicable to chromium contents between 0,25 and 35 % (m/m).

Steel and iron. Determination of chromium content. Potentiometric or visual titration method

DS/ISO 4938:1991 钢和铁. 镍含量的测定. 重量法或滴定法

The standard specifies a method for the determination of nickel in steel and iron, using either a gravimetric or titrimetric method. The method is applicable to nickel contents from 0,5 to 30 % (m/m).

Steel and iron. Determination of nickel content. Gravimetric or titrimetric method

DS/ISO 4943:1991 钢和铸铁.铜含量的测定.火焰原子吸收光谱测定法

The standard specifies a method for the determination of cop per in steel and cast iron by means of flame atomic absorpti on spectrometry. The method is applicable to copper contents in the range 0,004 to 0,5 % (m/m).

Steel and cast iron. Determination of copper content. Flame atomic absorption spectrometric method

DS/EN 24829-1:1991 钢和铸铁.总硅含量测定.分光光度测量法(还原硅酸钼). 第一部分:硅含量为0.05%和1%之间

The standard specifies a spectrophometric method using reduced molybdosilicate for the determination of total silicon in steel and cast iron.

Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 1: Silicon contents between 0.05 and 1,0 %

DS/EN 24829-2:1991 钢和铸铁.总硅含量测定.分光光度测量法(还原硅酸钼). 第一部分:硅含量为0.01%和0.05之间

The standard specifies a spectrophotometric method using reduced molybdosilicate for the determination of total silicon in steel and iron. The method is applicable to silicon contents between 0,01 and 0,05% (m/m) in steel and iron.

Steel and cast iron. Determination of total silicon content. Reduced molybdosilicate spectrophotometric method. Part 2: Silicon contents between 0.01 og 0.05 %

DS/EN 10036:1989 钢铁中碳总含量的测定.在氧气流中燃烧后的重力测定法

The standard specifies a gravimetric method for the determination of total carbon in steels and irons after combustion in a stream of oxygen. The method is applicable to carbon contents equal to or greater than 0.1 % (m/m).

Chemical analysis of ferrous materials. Determination of total carbon in steels and irons. Gravimetric method after combustion in a stream of oxygen

DS/EN 10181:1989 钢铁材料化学分析.钢中铅含量测定.火焰吸收分光光度测量法

The standard specifies a method for the determination of lead in steels by means of flame atomic absorption spectrometry.

Chemical analysis of ferrous materials. Determination of lead in steels. Flame atomic absorption spectrometric method

DS/EN 10188:1989 黑色金属材料的化学分析 钢和铁中铬的测定 火焰原子吸收光谱法

The standard specifies a method for the determination of chromium in steels and irons by means of flame atomic absorption spectrometry. The method is applicable for cromium contents between o.002 and 2% (m/m).

Chemical analysis of ferrous materials. Determination of chromium in steels and irons. Flame atomic absorption spectrometric method

DS/EN 10179:1989 钢铁材料化学分析.钢中氮(痕量)含量测定.光度测量法

The standard specifies a method for the spectrophotometric determination of nitrogen in steels. The method is primarily intended for the determination of total nitrogen in very low nitrogen non-alloy steels. The method is applicable to nitrogen contents from 0.0005 to 0.005 % (m/m).

Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method

DS/EN 10177:1989 铁材料化学分析.钢中钙含量测定.火焰吸收分光光度测量法

The standard specifies a method for the determination of calcium in steels by means of flame atomic absorption spectometry. The method is applicable to non-alloy and low-alloy steels with calcium contents greater than 0.0002 % (m/m).

Chemical analysis of ferrous materials. Determination of calcium in steels. Flame atomic absorption spectrometric method

DS/EN 10178:1989 铁材料化学分析.钢中铌含量测定.光度测量法

The standard specifies a method for the spectrophotometric determination of niobium in steels. The method is applicable to all types of steels with niobium contents up to 1.3 % (m/m), with a lower detection limit of 0,002 % (m/m).

Chemical analysis of ferrous materials. Determination of niobium in steels. Spectrophotometric method

DS/EN 24159:1989 锰铁和硅酸锰铁中锰含量测定.电位法

The standard specifies a potentiometric method for determination of the manganese content of ferromanganese and ferrosilicomanganese. The method is applicable to alloys containing from 55 to 95 % (m/m) manganese.

Ferromanganese and ferrosilicomanganese. Determination of manganese content. Potentionmetric