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【求助】-ISO的 标准怎么查询?7150/1

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  • ISO的标准总是查不到内容,寻求帮助!ISO 15705和US STANDARD METHODS 5220D,谢谢
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  • 第1楼2005/05/10

    只能看到摘要

    Abstract
    ISO 15705:2002 specifies a method for the determination of the chemical oxygen demand (ST-COD) using the sealed tube method. The test is empirical and is applicable to any aqueous sample, which includes all sewage and waste waters.

    The method is applicable to undiluted samples having ST-COD values up to 1 000 mg/l and a chloride concentration not exceeding 1 000 mg/l. Samples with higher ST-COD values require predilution. For samples with a low COD, the precision of the measurement will be reduced and the detection limit will be poorer.

    The method oxidizes almost all types of organic compounds and most inorganic reducing agents. It has a detection limit (4,65 times the within-batch standard deviation of a blank or very low standard) of 6 mg/l for photometric detection at 600 nm, and 15 mg/l for titrimetric detection as reported by one laboratory comparing the photometric and titrimetric techniques using a commercial test kit with a range up to 1 000 mg/l.

    The titrimetric part of this method is applicable to samples exhibiting an atypical colour or turbidity after the digestion stage.






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  • 第2楼2005/05/11

    这个我也有看到,希望是具体的内容,5555

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  • 第4楼2005/05/11

    有购买了标准的能否扫描后上传上来??????

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  • 第5楼2005/06/03

    这个...基本上....很难!!!!

    yzbjm 发表:有购买了标准的能否扫描后上传上来??????

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  • 第6楼2005/06/13

    就是的,我也想要。。。

    yzbjm 发表:有购买了标准的能否扫描后上传上来??????

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  • 第8楼2005/07/23

    共享呀

    yzbjm 发表:有购买了标准的能否扫描后上传上来??????

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  • 第10楼2009/06/05

    我也想用一个 iso15527 的标准啊 有那位兄弟购买了传过来啊 万分感谢啊

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