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Standards ČSN - Czech national standards - Page 7042
ČSN is a protected designation of Czech national technical standards.
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ČSN EN ISO 5961 (757418)
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Water quality. Determination of cadmium by atomic absorption spectrometry (ISO 5961:1994)
Standard published on 1.2.1996
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ČSN ISO 7393-1 (757419)
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Water quality. Determiantion of free chlorine and total chlorine. Part 1: Titrimetric method using N,N-diethyl-1,4-phenylendiamine
Standard published on 1.2.1995
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ČSN ISO 7393-1:1995/Z1 (757419)
Change
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Jakost vod - Stanovení volného a celkového chloru - Část 1: Odměrná metoda s N,N-diethyl-1,4-fenylendiaminem.
Change published on 1.7.2000
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ČSN EN ISO 7393-2 (757419)
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Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes
Standard published on 1.8.2018
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ČSN ISO 7393-3 (757419)
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Water quality. Determination of free chlorine and total chlorine. Part 3: Iodometric titration method for the determination of total chlorine
Standard published on 1.2.1995
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ČSN ISO 7393-3:1995/Oprava1 (757419)
Correction
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Jakost vod. Stanovení volného a celkového chloru. Část 3: Jodometrická titrační metoda stanovení celkového chloru.
Correction published on 1.8.2021
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ČSN ISO 7393-3:1995/Oprava2 (757419)
Correction
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Jakost vod. Stanovení volného a celkového chloru. Část 3: Jodometrická titrační metoda stanovení celkového chloru.
Correction published on 1.5.2024
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ČSN ISO 7393-3:1995/Z1 (757419)
Change
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Jakost vod - Stanovení volného a celkového chloru - Část 3: Jodometrická titrační metoda stanovení celkového chloru.
Change published on 1.7.2000
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ČSN ISO 7393-2 (757419)
WITHDRAWN
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Water quality. Determination of free chlorine and total chlorine. Part 2: Colorimetric method using N,N-diethyl-1,4-phenylendiamine for routine control purposes
WITHDRAWN published on 1.2.1995
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ČSN ISO 9297 (757420)
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Water quality. Determination of chloride. Silver nitrate titration with chromate indicator (Mohr´s method)
Standard published on 1.2.1996
Selected format: Czech - Print design (5.70 USD)
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