silver halide+ dye

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Re: silver halide+ dye

by PRATHEEP » Tue Aug 24, 2021 4:57 am

3-carboxymethyl-3',9-diethyl-5,5'-dimethylthiacarbocyanine betain dye is not matched in ORGANICA

Re: silver halide+ dye

by Martin » Sat Aug 21, 2021 3:27 am

PRATHEEP wrote: ↑Sat Aug 14, 2021 6:50 am Does any one know of any suitable dyes other then Pinacyanol to sensitize silver halide emulsion to red laser 632.8 nm ?

3-carboxymethyl-3',9-diethyl-5,5'-dimethylthiacarbocyanine betain (it used to be available from
www.organica.de/en/products/dyes/) might be a good alternative for Pinacyanol.

silver halide+ dye

by PRATHEEP » Sat Aug 14, 2021 6:50 am

Does any one know of any suitable dyes other then Pinacyanol to sensitize silver halide emulsion to red laser 632.8 nm ?

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