Jump to content


Photo

e6 processing


  • Please log in to reply
5 replies to this topic

#1 Pierre P Blais

Pierre P Blais
  • Basic Members
  • PipPip
  • 13 posts
  • Cinematographer
  • Montreal

Posted 11 February 2012 - 06:47 PM

I was wondering, how long can I keep unmixed e-6 chemical component from the single use kit before they lose their properties?

The kit yields 5L and that's a bit much for a single use, considering my lomo thank only uses 1.5 litres about, and I rarely process more then 200ft-400ft per 4 week period, if that. So I'd much rather mix smaller quantities of the solutions, when I need it.

thanks!

Pierre
  • 0

#2 Charles MacDonald

Charles MacDonald
  • Sustaining Members
  • 1157 posts
  • Other
  • Stittsville Ontario Canada

Posted 11 February 2012 - 08:26 PM

I was wondering, how long can I keep unmixed e-6 chemical component from the single use kit before they lose their properties?

The kit yields 5L and that's a bit much for a single use, considering my lomo thank only uses 1.5 litres about, and I rarely process more then 200ft-400ft per 4 week period, if that. So I'd much rather mix smaller quantities of the solutions, when I need it.


Firstly, I am assuming that it is an all liquid kit, partial mixing of powders is a problem.

Most of the liquid chems are packed with a shot of nitrogen in the top of the bottle to keep the air under control. It is exposure to the air taht causes problems. Many photographers will use small glass bottles and re-pack the remainder of stock solutions to exclude air
  • 0

#3 Pierre P Blais

Pierre P Blais
  • Basic Members
  • PipPip
  • 13 posts
  • Cinematographer
  • Montreal

Posted 12 February 2012 - 12:50 AM

Firstly, I am assuming that it is an all liquid kit, partial mixing of powders is a problem.

Most of the liquid chems are packed with a shot of nitrogen in the top of the bottle to keep the air under control. It is exposure to the air taht causes problems. Many photographers will use small glass bottles and re-pack the remainder of stock solutions to exclude air


This is the liquid version i'm talking about yes.

That is good to know, I would not necessarily have thought about doing that, but since I have the glass bottles... now I will! thanks!
  • 0

#4 Brian Pritchard

Brian Pritchard
  • Basic Members
  • PipPipPipPip
  • 330 posts
  • Other
  • Rushden UK

Posted 12 February 2012 - 04:39 AM

The other trick I discovered many years ago in still photography is to put glass marbles into the bottle to keep the bottle full and exclude the air. I still use this technique for my B/W developers.
Brian
  • 0

#5 Chris Millar

Chris Millar
  • Basic Members
  • PipPipPipPip
  • 1642 posts
  • Other

Posted 12 February 2012 - 05:57 AM

last year I used some Tetenal 3 bath opened and left half filled from 2003. Worked, I did soup it sliiiiightly longer I think in the first dev though, but heck it looked nice to me
  • 0

#6 David Nowak

David Nowak

    New

  • Basic Members
  • Pip
  • 4 posts
  • Cinematographer

Posted 12 February 2012 - 09:10 AM

Chem stability depends greatly on storage conditions as well as how much oxygen it's exposed to. Storing them in air tight containers (you can also displace some of the oxygen in a partially full bottle with a bit of canned air or nitrogen) in a cool, dry environment will work better then a hot, humid environment.

That said, I've had better luck with my E6 chems than with the C41. The E6 has lasted months in partially full bottles where the C41 part C developer oxidized within weeks. :(
  • 0


CineLab

CineTape

Media Blackout - Custom Cables and AKS

Ritter Battery

Paralinx LLC

Glidecam

FJS International, LLC

Wooden Camera

Willys Widgets

Rig Wheels Passport

The Slider

Visual Products

Technodolly

New Pro Video - New and Used Equipment

rebotnix Technologies

Metropolis Post

Tai Audio

Broadcast Solutions Inc

Aerial Filmworks

Abel Cine

Gamma Ray Digital Inc

Wooden Camera

Media Blackout - Custom Cables and AKS

Metropolis Post

Gamma Ray Digital Inc

rebotnix Technologies

CineLab

Willys Widgets

Paralinx LLC

Rig Wheels Passport

Visual Products

Tai Audio

Broadcast Solutions Inc

Ritter Battery

Aerial Filmworks

Technodolly

CineTape

Abel Cine

The Slider

FJS International, LLC

Glidecam

New Pro Video - New and Used Equipment