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ASTM E1938-2008 采用二安替比林基低甲烷分子吸收光谱法对镍合金中的钛合金含量的标准试验方法

ASTM E1938-2008 采用二安替比林基低甲烷分子吸收光谱法对镍合金中的钛合金含量的标准试验方法

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【英文标准名称】: Standard Test Method for Determination of Titanium in Nickel Alloys by Diantipyrylmethane Molecular Absorption Spectrometry
【原文标准名称】: 采用二安替比林基低甲烷分子吸收光谱法对镍合金中的钛合金含量的标准试验方法
【标准号】: ASTM E1938-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: E01.08
【标准类型】: (Test Method)
【标准水平】: ()
【中文主题词】:
【英文主题词】: molecular absorption spectrometry; nickel alloy; spectrophotometric; titanium content; Spectrophotometry--absorption; Titanium content--Ni/Ni alloys; Colorimetric analysis; Diantipyrylmethane spectrophotometric method; Molecular absorption spectrometry; N
【摘要】: This test method is used for the determination of titanium in nickel alloy samples by molecular absorption spectrometry to check compliance with compositional specifications. It is assumed that all who use the procedure will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that the work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E 882.1.1 This test method covers the determination of titanium in nickel alloys in the range 0.3 % to 5.0 %. With appropriate reference materials, the test method may be extended down to 0.05 %. 1.2 Molybdenum, if present, may cause a high bias to the extent of 0.001 % titanium for every 1 % molybdenum. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazards associated with the use of this test method, see Practices E 50.
【中国标准分类号】: H13
【国际标准分类号】: 77_120_40
【页数】: 4P.;A4
【正文语种】: 英语

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ASTM[1] E1938-[1]

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