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  • BSI
    BS 6068-2.49:1995, ISO 10566:1994 Water quality. Physical, chemical and biochemical methods - Determination of aluminium. Spectrometric method using pyrocatechol violet
    Edition: 1995
    $266.02
    / user per year

Description of BS 6068-2.49:1995 1995

1.1 Type of sample

The method is applicable to the analysis of potable waters, ground waters, and lightly polluted surface and sea waters.

1.2 Substance determined

The method determines filterable (dissolved) and acid-soluble aluminium.

1.3 Range

The method includes low range determination up to 100 µg/l Al with 50 mm cells and high range determination up to 500 µg/l Al with 10 mm cells. The effective range depends on the sensitivity of the spectrometer and can be extended upwards by taking smaller test portions.

1.4 Limit of detection

The limit of detection is 2 µg/l when cells of optical path length 50 mm and a 25 ml test portion are used.

1.5 Sensitivity

An aluminium concentration of 100 µg/l gives an absorbance of about 0,20 ± 0,05 optical absorption units, using a 25 ml test portion and cells of optical path length 10 mm.

1.6 Precision

If not specified, the precision of volumes and masses mentioned in this International Standard is ± 1 % of the value.



Standard NumberBS 6068-2.49:1995, ISO 10566:1994
TitleWater quality. Physical, chemical and biochemical methods - Determination of aluminium. Spectrometric method using pyrocatechol violet
StatusUnder Review
Publication Date1995-07-15
ReplacesBS 2690-106:1979
Identical National Standard OfISO 10566:1994
DescriptorsInterferences (chemical), Reproducibility, Water, Test equipment, Colorimetry, Calibration, Samples, Chemical analysis and testing, Water testing, Spectrophotometry, Quality, Aluminium, Reports, Quantitative analysis, Determination of content
ICS13.060.50 Examination of water for chemical substances
CommitteeEH/3/2
ISBN0 580 24389 3
PublisherBSI
Pages10

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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