GOST 31956-2012 Water Methods for determination of chromium (VI) and total chromium《水 六价铬(VI)和总铬的测定方法》.pdf

1、3195620122014 (VI) (ISO 9174:1998, MOD)(ISO 11083:1994, MOD)(ISO 18412:2005, MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 319562012, - 1.0 92 . 1.22009 . -, . , , , . 1 , , , 4 2 3 , (- 3 2012 . 54) : ( 3166) 00497 ( 3166) 00497 KZKGRUTJUZ 4 ISO 9174:1998 Water

2、quality Determination of chromium Atomic absorption spectrometric methods (- . . ), ISO 11083:1994 Water quality Determination of chromium (VI) Spectrometric method using 1,5diphenylcarbazide ( . (VI). 1,5), ISO 18412:2005 Water quality Determination of chromium (VI) Photometric method for weakly co

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