BS 7709-4-1993
玻璃萃取溶液的分析.采用分子吸收光谱法对氧化铝的测定方法

Analysis of extract solutions of glass - Method for determination of aluminium oxide by molecular absorption spectrometry


 

 

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标准号
BS 7709-4-1993
发布日期
1993年09月15日
实施日期
1993年09月15日
废止日期
中国标准分类号
Q30
国际标准分类号
71.040.20
发布单位
GB-BSI
被代替标准
90/56737 DC-1990
适用范围
This part of ISO 10136 specifies an analytical proce-dure, using molecular absorption spectrometry, for measuring the concentrations of aluminium, ex-pressed as its oxide (AI2O3), released into extract sol-utions during hydrochloric resistance test procedures. This part of ISO 10136 applies to the analysis of ex-tract solutions obtained from any kind of glass or glassware, including laboratory and pharmaceutical ware made, for example, from borosilicate glass (such as borosilicate glass 3.3 according to ISO 3585), neu-tral glass, or soda-lime-silica glass as defined in ISO 4802[3][4], food and drink packaging ware, table-ware and kitchenware. The extract solution may be obtained from glass articles, for example according to ISO 4802 or from glass as material, for example when tested according to ISO 719[1] or ISO 720[2]. In ad-dition, it may be applied to the extract solutions pro-duced by any method for measuring the hydrolytic resistance of glass or glassware.

BS 7709-4-1993系列标准





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