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Norm
ÖNORM EN 872
Issue date: 2005 04 01
Water quality - Determination of suspended solids - Method by filtration through glass fibre filters
This document describes a method for the determination of suspended solids in raw waters, waste waters and
effluents by filtration through glass fibre filters. The lower...
Valid
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 12 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This document describes a method for the determination of suspended solids in raw waters, waste waters and
effluents by filtration through glass fibre filters. The lower limit of the determination is about 2 mg/l. No upper limit has
been established.
Water samples are not always stable which means that the content of suspended solids depends on storage time,
means of transportation, pH value and other circumstances. Results obtained with unstable samples need to be
interpreted with caution.
Floating oil and other immiscible organic liquids will interfere (see Annex A).
Samples containing more than about 1 000 mg/l of dissolved solids can require special treatment (8.6).
NOTE 1 The result of the determination depends to some extent on the type of filter used (5.2). It is therefore recommended
that the type of filter is specified.
NOTE 2 The size distribution of particles in different samples can vary widely. Therefore there is no correlation between
results obtained with filters of different pore width and no conversion factor can be given for the conversion of results obtained
with one type of filter to another.
ÖNORM EN 872
2005 04 01
Water quality - Determination of suspended solids - Method by filtration through glass fibre filters...
Norm
↖
ÖNORM EN 872
1996 05 01
Water quality - Determination of suspended solids - Method by filtration trough glass fibre filters
Norm
Norm
Issue date :
2007 04 01
Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2006)
Norm
Issue date :
2007 09 01
Water quality - Sampling - Part 3: Guidance on the preservation and handling of water samples (ISO 5667-3:2003) (consolidated version)
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