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AN-V-186

Chromium(VI) in electronic components as part of electrotechnical products


Summary

The EU directive on «Restriction of Hazardous Substances» (RoHS) requires the testing of four regulated heavy metals (Pb, Hg, Cd, Cr(VI)) in electrotechnical products. After sample preparation according to IEC 62321 the determination of chromium(VI) in electronic components can be carried out by polarography in ammonia buffer pH 9.6.

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Metrohm Vietnam Co., LTD

Park IX Building 08 Phan Dinh Giot Street, Ward Tan Son Hoa, Tan Binh District
700000 Ho Chi Minh City

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