ČSN 757360 (757360)

Water quality - Determination of absorbance - Direct measurement of absorption of UV radiation at wavelength 254 nm



STANDARD published on 1.6.2013


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The information about the standard:

Designation standards: ČSN 757360
Classification mark: 757360
Catalog number: 93121
Publication date standards: 1.6.2013
SKU: NS-135800
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Water quality in general

Annotation of standard text ČSN 757360 (757360):

Tato norma určuje metodu stanovení hodnoty absorbance ultrafialového záření vlnové délky 254 nm ve všech typech vod. Rozsah stanovitelných hodnot je dán optickou délkou použité kyvety. Při použití kyvety s optickou délkou 1 cm je možno stanovit hodnoty absorbance od 0,01. Při měření vody s nízkou hodnotou absorbance se doporučuje použít kyvetu s optickou délkou 5 cm, popřípadě 10 cm, která umožní precizně změřit hodnoty od 0,005

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