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#1
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lifespan mixed ID-11, stock dilution ?
Anybody knows how long a batch of mixed ID-11 will last ?
I have a package for 10 litres here, but only a couple of films in 1+1 dilution every week, it will take me about half a year Koen |
#2
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as written in the data sheet 6 months.
but i never tryed so long: I finish 10 litres in less time than you!! ciao -- Non è bello cio che è bello figuriamoci cio che è brutto! Ed io imparo. |
#3
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as written in the data sheet 6 months.
but i never tryed so long: I finish 10 litres in less time than you!! ciao -- Non è bello cio che è bello figuriamoci cio che è brutto! Ed io imparo. |
#4
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Koen wrote:
Anybody knows how long a batch of mixed ID-11 will last ? I have a package for 10 litres here, but only a couple of films in 1+1 dilution every week, it will take me about half a year Koen If you divide up the 10 liters into 1-liter bottles, filled completely full (glass bottles with good quality gas-tight seals), the stock solution in those bottles should easily last six months, and you'll use up the open bottle in 2-3 weeks -- a short burst of canned air or butane from a lighter refill can, to displace air before closing the bottle, will help the life of the open bottle, but at your rate of usage it's likely unnecessary. You can also mix D-76 (and presumably ID-11) to half the volume, divide it up as above, and dilute 1:3 from the double strength stock to get the same working solution as 1:1 from ordinary stock -- and the concentrated stock solution will last better (and require fewer bottles), though of course you're now up to taking six weeks to empty a bottle of the double strength stock. -- The challenge to the photographer is to command the medium, to use whatever current equipment and technology furthers his creative objectives, without sacrificing the ability to make his own decisions. -- Ansel Adams Donald Qualls, aka The Silent Observer http://silent1.home.netcom.com Opinions expressed are my own -- take them for what they're worth and don't expect them to be perfect. |
#5
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Koen wrote:
Anybody knows how long a batch of mixed ID-11 will last ? I have a package for 10 litres here, but only a couple of films in 1+1 dilution every week, it will take me about half a year Koen If you divide up the 10 liters into 1-liter bottles, filled completely full (glass bottles with good quality gas-tight seals), the stock solution in those bottles should easily last six months, and you'll use up the open bottle in 2-3 weeks -- a short burst of canned air or butane from a lighter refill can, to displace air before closing the bottle, will help the life of the open bottle, but at your rate of usage it's likely unnecessary. You can also mix D-76 (and presumably ID-11) to half the volume, divide it up as above, and dilute 1:3 from the double strength stock to get the same working solution as 1:1 from ordinary stock -- and the concentrated stock solution will last better (and require fewer bottles), though of course you're now up to taking six weeks to empty a bottle of the double strength stock. -- The challenge to the photographer is to command the medium, to use whatever current equipment and technology furthers his creative objectives, without sacrificing the ability to make his own decisions. -- Ansel Adams Donald Qualls, aka The Silent Observer http://silent1.home.netcom.com Opinions expressed are my own -- take them for what they're worth and don't expect them to be perfect. |
#6
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I did this with a gallon batch of Dektol, six months ago, stored in 24 oz.
glass soy sauce bottles with Saran wrap under the screw caps. Stock was mixed from filtered water that had sat at least overnight to de-oxygenate and mixed on a stir-plate, then filtered and decanted. Opened one, six months old, the plastic wrap was indented, indicating that the oxygen in the bottle's small head space of air had been used up, the stock was pale amber, just like when I made it. None of that spoiled fish odor of bad Dektol and I processed a pile of 8x10's in a tray of the stuff. Not very quantitative but good enough for me. The composition of D-76/ID-11 is similar enough to expect similar performance. -- darkroommike ---------- "Donald Qualls" wrote in message . com... Koen wrote: Anybody knows how long a batch of mixed ID-11 will last ? I have a package for 10 litres here, but only a couple of films in 1+1 dilution every week, it will take me about half a year Koen If you divide up the 10 liters into 1-liter bottles, filled completely full (glass bottles with good quality gas-tight seals), the stock solution in those bottles should easily last six months, and you'll use up the open bottle in 2-3 weeks -- a short burst of canned air or butane from a lighter refill can, to displace air before closing the bottle, will help the life of the open bottle, but at your rate of usage it's likely unnecessary. You can also mix D-76 (and presumably ID-11) to half the volume, divide it up as above, and dilute 1:3 from the double strength stock to get the same working solution as 1:1 from ordinary stock -- and the concentrated stock solution will last better (and require fewer bottles), though of course you're now up to taking six weeks to empty a bottle of the double strength stock. -- The challenge to the photographer is to command the medium, to use whatever current equipment and technology furthers his creative objectives, without sacrificing the ability to make his own decisions. -- Ansel Adams Donald Qualls, aka The Silent Observer http://silent1.home.netcom.com Opinions expressed are my own -- take them for what they're worth and don't expect them to be perfect. |
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