ČSN 757536 (757536)

Water quality - Determination of humic substances



STANDARD published on 1.3.2011


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The information about the standard:

Designation standards: ČSN 757536
Classification mark: 757536
Catalog number: 87680
Publication date standards: 1.3.2011
SKU: NS-135821
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Examination of water for chemical substances

Annotation of standard text ČSN 757536 (757536):

Tato norma specifikuje stanovení huminových látek (HL) extrakční fotometrickou metodou. Zkouška je použitelná při rozboru povrchové vody a surové vody určené k úpravě na vodu pitnou. Je vhodná i pro stanovení HL v pitné vodě. Metodu lze použít pro stanovení hmotnostních koncentrací HL od 0,5 mg/l do 15 mg/l v kyvetách s optickou délkou 5 cm. Vyšší koncentrace se stanoví v kyvetách kratších optických délek

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