Quantofix - Sulfate (#91329)
From Semi-Quantitative Test Papers
Pack Size: box of 100 strips. Hazard Class /UN Number: Not Restricted. Storage Temp: Room Temperature. Test sticks for the semi-quantitative determination of sulphate in solutions. Gradation of scale: 0 >400 >800û>1200 >1600 mg/l SO 4 2û red to yellow. QUANTOFIX « sulphate uses the same general principle as the AQUADUR « test sticks. Between pH 4 and 8 the reaction is independent of the pH value of the test solution. trongly acidic samples have to be adjusted with sodium acetate, alkaline solutions are adjusted using tartaric acid.
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The following ions only interfere above the indica...
The following ions only interfere above the indicated concentrations:
- > 1000 mg/l BrO 3 û , ClO 3 û , CrO 4 2û , SO 3 2û , S 2 O 5 2û , SeO 3 2û
- > 500 mg/l S 2 O 4 2û , > 100 mg/l CN û , S 2û
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