在高温下，用碱性过硫酸钾溶液将水样中三价铬氧化为六价铬，比色测定总铬。

Trivalcnt chromium was oxidized to hexavalent chrome by alkaline potassium persulfate under high -temperature. Then total chromium was measured by colorimetry.

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在高温下，用碱性过硫酸钾溶液将水样中三价铬氧化为六价铬，比色测定总铬。

Trivalcnt chromium was oxidized to hexavalent chrome by alkaline potassium persulfate under high -temperature. Then total chromium was measured by colorimetry.

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