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Rp 636.900

Dilihat : 4490 kali Beli

Quick and easy determination of cobalt

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This test paper allows the quick and easy detection of Cobalt (Co2+). 
For non-destructive testing of materials apply a drop of acid solution (50 ml hydrogen peroxide 3 % + 7.5 ml o-phosphoric acid 85 % + 5 ml hydrochloric acid 37 %) to the degreased surface. After 30-60 seconds absorb the liquid with the test paper. In the presence of cobalt a blue color appears. The intensity of the color varies according to the concentration. With this procedure Cobalt contents >0.5% are safely detected.

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Product data and ordering information
Type Qualitative test paper
Presentation Pack of 100 strips 20x70 mm
Color reaction    

white → blue

Limit of sensitivity     25 mg/l Co2+
REF 90728

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