Check Swabs

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Check Swabs
Instant Field Tests Detect Chromate, Cadmium and Nickel or Their Dusts on Any Surface
Ideal for testing of paints, ceramic glazes, industrial sites and dusts on all solid surfaces.
Specifications: Each fiber-tipped swab contains one or two ampules. Activate swab by crushing the glass ampules. Shake and squeeze to bring dye to tip. Rub on area to be tested. Tip turns a peach color in presence of cadmium; pink for nickel and purple for chromate. Cross-reactants will cause additional color changes. Minimum shelf life of one year. 10 swabs per package.