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parshimers !y2fz.HIyUQ
q: why does color negative film have an orange base, and why does b&w negative film have a slight pink tinge to it
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>> BurtGummer
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No idea. Is this sum Barmitzvah or something?

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>> Butterfly !xlgRMYva6s
F400PH?!
>> Anonymous
Color negative film has an orange base to compensate for excessive yellow in the cyan and magenta dyes. It's difficult to make good, archive-stable dyes in pure magenta or cyan, but it's easy to make them with a bit too much yellow in them. The orange mask increases the yellow across the whole image so that you can compensate for the dye failure in printing by increasing blue and magenta light passing through the negative without screwing up the rendition of the yellow dye layer.

Black and white film doesn't have a slight pink tinge to it, at least never that I've seen. It generally has a gray to light blue tinge, which is a result of the silver in the emulsion and lack of any color mask.
>> Anonymous
>>146919
I've got several reels of black and white here, and as you say it's mostly blue-tinted. However, some of them are pink-tinted before they're developed (i.e. the emulsion's pink to start with) so OP's maybe confuzzled about that.
>> parshimers !y2fz.HIyUQ
>>146941
well idk maybe i'm doin it rong but my tri-x negatives always have a very slight pink tinge to them
>> Anonymous
>>146951
What developer are you using?
>> parshimers !y2fz.HIyUQ
>>146958
HC-110 dilution E
>> Anonymous
>>146962
I've never used HC-110, so it could be that. With D76, D19, and any Ilford developer, Tri-X comes out blue-gray. There is sometimes a pink tinge to the used developer, but not to the negatives themselves.
>> parshimers !y2fz.HIyUQ
>>146965
weird, the only thing that turns pink is the fixer, the hc-110 goo stays green and nasty
>> Anonymous
>>146978
What fixer?
Sounds like there are still chemicals in your neg..