Distributor Alat Laboratorium
Distributor Alat Laboratorium , menjual berbagai macam alat-alat laboratorium , reagen kimia, lab equipmen dan sebagainya.
Distributor Alat Laboratorium
Quick and easy determination of cobalt
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.
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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