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德国检验水、废水和污泥的标准方法.污泥和沉积物(S组).污泥、沉积物和悬浮物中特殊残余β放射性测定
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The standard describes a chemical-physical method for the determination of the specific residual beta activity in sludge, sediment and suspended loud. Therefor the pulverizid residue of the sample is to measure with a suitable counter instrument.#,,#

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