Why potassium dichromate was using in Uv calibration?



Why potassium dichromate was using in Uv calibration?..

Answer / sanjay bhandare

It is stable and available in high purity. Useful in both visible and UV region. Showing linear response with good temperature stability.
Shows characteristic peaks at 257 nm, 350 nm and minima at 235 nm, 313 nm.

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