https://wiki.henpe.se/ 2026-06-12T00:43:51+00:00 https://wiki.henpe.se/ https://wiki.henpe.se/_media/wiki/favicon.ico text/html 2022-01-22T21:26:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/d76?rev=1642886819&do=diff Kodak D-76 Capacity A volume of 473ml at dilution 1+1 is enough to devlop 80 sqInch (Equals 516cm² per 473ml) Development Times Ilford HP5+ Film EI Dil Source Time Note HP5+ 400 1+1 Ilford 11:00 (13 min for ID11) text/html 2022-01-20T20:49:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/eco4812?rev=1642711740&do=diff ECO 4812 Eco 4812 Paper developer (Moersch Photo Chemie, Ger) Notes Capacity The capacity per litre of stock solution is around 400 sheets of 24x30cm paper. Dilution of working solution is 1+14. This yields a capacity of \[ \frac{400\times24\times30}{15} = 19200\ \text{cm}² \quad \text{per liter working solution}\] A slot in a Nova print processor is approx 1.8 liter. \[\frac{19200 \times 1.8}{(30\times40)} = 28.8 \] text/html 2022-01-19T20:59:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/fx39?rev=1642625963&do=diff FX-39 Dilutions Spädes vanligen 1+9 eller 1+14.Spädningen 1+14 behöver x1.5 framkallningstid jämfört med 1+9. Det behövs minst 30ml konc per 120-film. Paterson-dosa: maxvolym ca 700 ml. Development times Acros 100: 6.5 min enl. Paterson 7:40 enl. egna tester text/html 2022-01-21T16:31:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/hc110?rev=1642782703&do=diff Kodak HC-110 Short description goes here... Resources * Kodak official data sheet, [Kodak J24] * Kodak (GER) data sheet, * Covington unofficial resource page, <http://www.covingtoninnovations.com/hc110/> Notes on usage Dilutions Use a minimum of 6ml concentrate per roll (120/135). Table below show dilutions for Kodak HC-110 with approximate extension of development times relative to dil. B. text/html 2022-05-16T19:45:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/selenium?rev=1652730333&do=diff Selenium (toning) Instructions for use (paper) Capacity Datasheets (Kodak, Ilford, Labor Partner) suggests that 1000ml stock solution has capacity to tone 100 sheets of 8×10“ paper. From that, the approximate capacity for diluted selenium toner has been calculated and is shown below: text/html 2022-05-01T19:33:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/viradon?rev=1651433593&do=diff Viradon Resources * [Agfa Black and White Paper Chemicals] Instructions for use To stop toning, immerse in a stop bath consisting of 10 % sodiumsulfite (HCA is approx 2%) Dilutions and times Viradon 1+50, 2 min. text/html 2022-02-02T07:34:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.henpe.se/wiki/darkroom/chemistry/xtol?rev=1643787262&do=diff Kodak XTOL Short description goes here... Resources * Kodak official data sheet, [Kodak J109] * Kodak data sheet, old version. Tabulated data on dilutions other than 1+1: [Kodak J109, 1996] * Kodak (GER) data sheet, [Techspec] * Covington unofficial resource page, <http://www.covingtoninnovations.com/xtol/> Characteristics