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Standard ČSN 757477 1.3.2010 preview

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ČSN 757477 (757477)

Water quality - Determination of dissolved sulphate - Lead nitrate titrimetric method



STANDARD published on 1.3.2010


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The information about the standard:

Designation standards: ČSN 757477
Classification mark: 757477
Catalog number: 85344
Publication date standards: 1.3.2010
SKU: NS-135812
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Examination of water for chemical substances

Annotation of standard text ČSN 757477 (757477):

Podle této normy se stanoví rozpuštěné sírany ve vodách odměrnou metodou s dusičnanem olovnatým: - v základním provedení (postup A); - v provedení určeném pro stanovení nízkých koncentrací (postup B). Metodu lze použít ke stanovení rozpuštěných síranů ve vodách, kromě silně znečištěných odpadních vod, v koncentracích od 50 mg/l (postup A), nebo od 2 mg/l (postup B), podle použitého typu byrety a předběžné úpravy vzorku. Při vyšších koncentracích síranů se titruje menší zkoušený objem vzorku, nebo se vzorek před vstupem na kolonu ředí. Opatrným odpařením vzorku (ne do sucha) lze meze stanovení, uvedené výše, snížit až o jeden řád za předpokladu, že se neprojeví rušivé vlivy, nebo jsou odstraněny

These corrections apply to this standard:

Preview ČSN 757477:2010/Oprava1 1.5.2010
ČSN 757477:2010/Oprava1 (757477) Correction

Jakost vod - Stanovení rozpuštěných síranů - Odměrná metoda s dusičnanem olovnatým.

Correction published on 1.5.2010

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Preview of the standard ČSN 757477 (757477)

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ČSN EN ISO 17852ČSN EN ISO 17852..

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ČSN EN ISO 11732ČSN EN ISO 11732..

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ČSN EN ISO 5814ČSN EN ISO 5814..

1.5.2013

ČSN EN ISO 15681-1ČSN EN ISO 15681-1..

1.9.2005

ČSN EN ISO 15681-2ČSN EN ISO 15681-2..

WITHDRAWN
1.9.2005

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