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2022-06-02T11:06:49+00:00
  • Selenium or Sepia Toning for your Black and White Prints

    Selenium toner enhances a prints tonal range Selenium toner can produce tones from redbrown to purplebrown depending on the dilution Selenium toned prints are highly stable Image © Michael Greenberg / Phototerra StudioSelenium toner is a direct toner It changes a print’s color and makes the image more permanent by bonding selenium particles directly to the metallic silver in an emulsion Mix selenium toner with fresh fixer remover Note that stains may result if you use fixer remover that has been used for another purposeHow to Use Kodak Selenium Toner teachingphotoSelenium is a chemical element with the symbol Se and atomic number 34 It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenicIt rarely occurs in its elemental state or as pure ore compounds in the Earth's crustSelenium WikipediaHARMAN Selenium Toner 1+3 This SDS is not mandated under REACH Regulation (EC) No 1907/2006 and is provided for information only This SDS relates to the product after it has been prepared for use in accordance with our recommendations Because HARMAN technology Ltd does not supply the solution ready for use, we are not obliged to provide this SAFETY DATA SHEET HARMAN Selenium Toner 1+3Th e active ingredient in Selenium Toner is a sulfite salt that has a concentration of less than 2 percent Working solutions of the toner generally contain less than 1⁄2percent selenium sulfite These selenium concentrations are not considered hazardous when you Toning BlackandWhite Materials

  • Darkroom toning tips: How to get terrific tones Amateur

    Nov 30, 2017  Selenium toner acts ‘bottom up’ from darkest tones, to mid and eventually lightest tones This is fantastically useful as it allows us to snatch the print from the toner at a given point on the tonal scale by moving the print swiftly into running waterSelenium toner can be made by combining selenium with sodium sulfide to make sodium selenosulfide The other way to do it is to combine selenium with sodium sulfite to produce sodium slenosulfate Effectively sulfur combined with sodium sulfite makes sodium thiosulfate which is why fixer is stabilized by additing sodium sulfiteToning and Permanence of Silver Gelatin PrintsApr 12, 2006  Selenium toner mixed 1+19 in water should process 2550 8x10's or equivalent, as Andre says And it doesn't matter whether those prints are done at one time or over a year the toner just keeps working until the selenium content is depleted But mixing with hypoclear introduces an additional factorLife span of Selenium Toner working solutionNov 02, 2005  This includes selenium toner How dangerous is it? I did a google and found answers from 'tastes good with red meat' to 'must handle using NASA ceritified space suit' So how dangerous is it? Is it dangerous to inhale the gas? And what is meant by dangerous? sudden death or headache, dizziness? I currently use the liquid Kodak Selenium tonerDangers of selenium toner Photrio Photography ForumsSep 28, 2016  A touch of Kodak brown toner, a little Selenium or Nelson gold really makes a nice picture glow Too much of a good thing is not a good thing, in my estimation If you can find it somewhere, Emmet Gowin's book "Changing the Earth" has some of the best examples of Berg Toners Photrio Photography Forums

  • Pictures, stories, and facts about the element Selenium in

    Selenium toner Back in the dark ages photography involved soaking paper in a series of strange chemicals to make images appear on it It even includes a price list, which indicates that these things cost about a dollar, which was of course worth a lot more then than it is now A modern silicon rectifier that works far better can be had for I use selenium toner for several reasons RC paper is not stable if framed under glass without toning Fiber based paper gives richer tones (better blacks) if toned Archival processing includes selenium toning, as it stabilises the chemistry of the emulsionSelenium toner? Greenspunexample, 1+10, 1+20) of selenium toner gives a slight cooling of the image tone and a shift in the hue towards red Used at lower dilutions (for example, 1+3, 1+5), a purplish brown can be achieved Examples Examples of commercial selenium toners include: Berg Selenium, Fotospeed SLT20 Selenium, Kodak Selenium Toner and Maco SeleniaDecember 2001 TONING BW PRINTSSelenium toner can be made by combining selenium with sodium sulfide to make sodium selenosulfide The other way to do it is to combine selenium with sodium sulfite to produce sodium slenosulfate Effectively sulfur combined with sodium sulfite makes sodium thiosulfate which is why fixer is stabilized by additing sodium sulfiteToning and Permanence of Silver Gelatin PrintsSelenium toner is another source of toxic material for us to release Selenium itself is not particularly toxic, although buying pure selenium powder and proceeding to mix up toner is illadvised Like anything in finely divided form, it is easily carried into the lungsLloyd Erlick / Technical / Toxic Darkroom Effluent

  • Selsun Blue vs T / Gel Comparison Drugs

    Other selenium sulfide brands include: Dandrex, Exsel, GloSel, SelRx, Selsun Blue Medicated, Selsun Blue Normal to Oily, Tersi Foam: Other salicylic acid brands include: Acne Oil Control, Acne and Blemish Target, Acne Astringent Toner Pads, Acne Cleansing Pads, Acne Cleansing Wipes, ACNE Apr 12, 2006  Selenium toner mixed 1+19 in water should process 2550 8x10's or equivalent, as Andre says And it doesn't matter whether those prints are done at one time or over a year the toner just keeps working until the selenium content is depleted But mixing with hypoclear introduces an additional factorLife span of Selenium Toner working solutionNov 02, 2005  This includes selenium toner How dangerous is it? I did a google and found answers from 'tastes good with red meat' to 'must handle using NASA ceritified space suit' So how dangerous is it? Is it dangerous to inhale the gas? And what is meant by dangerous? sudden death or headache, dizziness? I currently use the liquid Kodak Selenium tonerDangers of selenium toner Photrio Photography ForumsApr 03, 2000  When using gold and selenium toners (not on the same print), do I need to wash a print thoroughly before toning My understanding is that gold toner requires a full wash before toning, and that selenium toner, which includes hypo in it, does not require any wash before toningToning and Processing Sequence Photography ForumsSep 28, 2016  A touch of Kodak brown toner, a little Selenium or Nelson gold really makes a nice picture glow Too much of a good thing is not a good thing, in my estimation If you can find it somewhere, Emmet Gowin's book "Changing the Earth" has some of the best examples of Berg Toners Photrio Photography Forums

  • It's Elemental The Element Selenium

    Selenium was discovered by Jöns Jacob Berzelius, a Swedish chemist, in 1817 after analyzing an impurity that was contaminating the sulfuric acid (H 2 SO 4) being produced at a particular factory in SwedenOriginally believing the material was tellurium, Berzelius eventually realized that it was actually a previously unknown elementSelenium occurs in minerals such as eucairite (CuAgSe Apr 03, 2019  The selenium toner contains sodium selenite (Na 2 SeO 3) as one of its active ingredients, which is the source of the selenide (Se 2−) anion combining with the silver in the toning process Aluminium selenide is the inorganic compound with the formula Al 2 Se 3 Gallium(III) selenide WikiMili, The Free EncyclopediaSelenium Toner #1 To prepare a stock solution, add 100g sodium sulfite to 100ml hot water and allow to dissolve completely Then add 10g selenium powder A working toner is mixed by adding 100ml stock solution to water to make a total of 1000ml, or the equivalent Stronger solutions give browner prints, weaker solutions, cooler tones Selenium The Kallitype Process AlternativePhotographySelenium toner Back in the dark ages photography involved soaking paper in a series of strange chemicals to make images appear on it It even includes a price list, which indicates that these things cost about a dollar, which was of course worth a lot more then than it is now A modern silicon rectifier that works far better can be had for Pictures, stories, and facts about the element Selenium in Apr 03, 2019  The selenium toner contains sodium selenite (Na 2 SeO 3) as one of its active ingredients, which is the source of the selenide (Se 2−) anion combining with the silver in the toning process Aluminium selenide is the inorganic compound with the formula Al 2 Se 3 Gallium(III) selenide WikiMili, The Free Encyclopedia

  • It's Elemental The Element Selenium

    Selenium was discovered by Jöns Jacob Berzelius, a Swedish chemist, in 1817 after analyzing an impurity that was contaminating the sulfuric acid (H 2 SO 4) being produced at a particular factory in SwedenOriginally believing the material was tellurium, Berzelius eventually realized that it was actually a previously unknown elementSelenium occurs in minerals such as eucairite (CuAgSe I use selenium toner for several reasons RC paper is not stable if framed under glass without toning Fiber based paper gives richer tones (better blacks) if toned Archival processing includes selenium toning, as it stabilises the chemistry of the emulsionSelenium toner? GreenspunSelenium toner is another source of toxic material for us to release Selenium itself is not particularly toxic, although buying pure selenium powder and proceeding to mix up toner is illadvised Like anything in finely divided form, it is easily carried into the lungsLloyd Erlick / Technical / Toxic Darkroom EffluentSelenium Toner #1 To prepare a stock solution, add 100g sodium sulfite to 100ml hot water and allow to dissolve completely Then add 10g selenium powder A working toner is mixed by adding 100ml stock solution to water to make a total of 1000ml, or the equivalent Stronger solutions give browner prints, weaker solutions, cooler tones Selenium The Kallitype Process AlternativePhotographyexample, 1+10, 1+20) of selenium toner gives a slight cooling of the image tone and a shift in the hue towards red Used at lower dilutions (for example, 1+3, 1+5), a purplish brown can be achieved Examples Examples of commercial selenium toners include: Berg Selenium, Fotospeed SLT20 Selenium, Kodak Selenium Toner and Maco SeleniaDecember 2001 TONING BW PRINTS

  • Selsun Blue vs T / Gel Comparison Drugs

    Other selenium sulfide brands include: Dandrex, Exsel, GloSel, SelRx, Selsun Blue Medicated, Selsun Blue Normal to Oily, Tersi Foam: Other salicylic acid brands include: Acne Oil Control, Acne and Blemish Target, Acne Astringent Toner Pads, Acne Cleansing Pads, Acne Cleansing Wipes, ACNE Toner print cartridge(s) Ink print cartridge(s) Other printing supply product, specify: To be used in: Selenium: 1000ppm S36 * The prohibition includes any kind of reproduction, by electronic or any other means itforetagenseHP LaserJet Print Cartridge SKU Q5945A/AC/YCA toner composition includes toner particles containing a colorant, a binder, a charge control agent, a releasing agent, and an external additive containing silica, silicon carbide, magnesium stearate, and polyvinylidene fluoride The toner composition of the present invention has a stable image density and no fogging/filming so that improved quality printing images may be providedUSA1 Toner composition Google PatentsSelenium Toner contains thiosulphate The print has to be thoroughly rinsed before toning in Gold If a blue image tint is to be achieved by toning in gold, the untoned print has to be warm and low in contrast Gold toner brings immense density to the print and uses a lot of toner substance For that reason inexpensive selenium toner is used Wolfgang Moersch FineArtPrinting PhotoChemie ContentSelenium Toner to produce a richer range of tones in the shadow areas The curve below shows the increase in Sulfide Sepia Toner T7a Produces warmbrown tones similar to those produced by KODAK Sepia Toner It includes a bleach and a redeveloper Gold Toner T21 Produces a pleasing range of brown tones with most warmtone papers by KODAK PRINTER ACCESSORIES USER MANUAL Pdf Download

  • Adult Acne Clear Skin Kit Natural Acne Clinic

    Includes zinc, selenium plus additional skinenhancing nutrients; Helps prevent clogged pores and reduce blemishes; SalC Toner is the new and improved version of AcnebetaC Toner It is exfoliating, antiinflammatory, brightening and provides antioxidant support for the skin This multifunctional toner contains LAscorbic acid, which is a

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