$1.00
FOR DETERMINATION OF
Nitrous acid, sulphur dioxide
RANGE/SENSITIVITY
5 mg/L SO2
NUMBER OF TESTS
5 m reel
TEST METHOD
Test Strips & Papers
MANUFACTURER
Macherey-Nagel
ORDER CODE
90753
Description
For the rapid detection of sulphite and sulphur dioxide. This paper is used in food analysing laboratories.
Sulphurous acid or sulphites reduce potassium iodate to free iodine. With starch, iodine gives a characteristic blue-black colour. For a detection of sulphite with high sensitivity we recommend sulphite test paper (90763).
Store in a cool, dry place. Avoid exposure to sunlight and moisture.
