Cobalt
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Item # | Order |
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Product: Cobalt Test paper | Type: Yes/No test paper | Gradation / Sensitivity: 25 mg/L CO2+ | Item #: 90728 | |
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This test paper allows the quick and easy detection of Cobalt (Co2+). This test paper can also be used for non-destructive testing of materials. Apply 2 drops of acid solution (= 50 ml hydrogen peroxide 3 % + 7.5 ml o-phosphoric acid 85 % + 5 ml hydrochloric acid 37 %) to the degreased steel surface. After 30 to 60 seconds, absorb the liquid with the cobalt test paper. The presence of cobalt is indicated by a blue colour, the intensity of which varies according to the Co content. Instruction Sheet (pdf) Color reaction: White → blue Scope of delivery: 100 test strips in a plastic box |
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Product: QUANTOFIX® Cobalt | Type: Semi-quantitative test strips | Gradation / Sensitivity: 0 · 10 · 25 · 50 · 100 · 250 · 500 · 1000 mg/L Co2+ | Item #: 91303 | |
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Test sticks for the semi-quantitative determination of cobalt in solutions. If the reaction colour does not appear on the color scale, larger quantities of interfering ions (Cu 2+ , Hg + ) are present. To eliminate these interferences, follow the procedure given in the instructions for use provided with the test sticks. Instruction Sheet (pdf) Color Reaction: White → green-blue Scope of delivery: 100 test strips in a tube, instruction leaflet |
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