Also called Alpha-Hazen scale, the Platinum-Cobalt scale is a method of measuring the colour of water samples that is specific to the colour yellow. One unit of colour on the scale is defined as the colour produced by 1 milligram of platinum cobalt dissolved in 1 litre of water.
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Sources/references
https://en.wikipedia.org/wiki/Pt/Co_scale and originator's information
gwemon
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1 year ago
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Term name (PrefLabel)
Colour (Pt/Co scale)
Definition
Also called Alpha-Hazen scale, the Platinum-Cobalt scale is a method of measuring the colour of water samples that is specific to the colour yellow. One unit of colour on the scale is defined as the colour produced by 1 milligram of platinum cobalt dissolved in 1 litre of water.
Optional
Sources/references
https://en.wikipedia.org/wiki/Pt/Co_scale and originator's information