Lloyd Erlick - What I have Learned about …
It is present because selenium toner contains ammonium thiosulfate. The safety concerns about ventilation when using selenium toner are the same as for ammonia. It is a serious hazard, but not in the category of airborne selenium dust. Ammonia has been an intimate companion of humans since before we were humans.
Dangers of selenium toner - photrio.com
02.11.2005 · The pungent smell is actually the fixer contained in the selenium toner and is no more dangerous than plain hypo in terms of fumes. If I am wrong hopefully someone with more knowledge will correct me. The best precautions are gloves or tongs and if you spill any onto yourself wash it off as soon as possible. The nice thing about toning is that it can be done in daylight so if the smell bothers ...
Dangers of selenium toner | Photrio.com …
02.11.2005 · The pungent smell is actually the fixer contained in the selenium toner and is no more dangerous than plain hypo in terms of fumes. If I am wrong hopefully someone with more knowledge will correct me. The best precautions are gloves or tongs and if you spill any onto yourself wash it off as soon as possible.
Material Safety Data Sheet MT1 SELENIUM TONER 1/4 ...
Information pertaining to particular dangers for man and environment . The product has to be labelled due to the calculation procedure of the "General Classification . guideline for preparations of the EU" in the latest valid version. R 33 Danger of cumulative effects. R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic . environment. · Classification ...
Selenium Toning – Darkside
Selenium toner is a single bath which does not use bleaching. Hypo-Clearing Agent is therefore recommended. Dilution is between 1+3 and 1+20 depending upon stone type and effect required. Selenium toner is toxic, so good ventilation and gloves are mandatory. Kodak have produced a selenium toner for many decades . A decade or two ago Ilford stated toning was not their area, but …
What are the risks of taking selenium? - WebMD
Selenium may affect other medicines and supplements, such as antacids, chemotherapy drugs, corticosteroids, niacin, cholesterol-lowering statin drugs, and birth control pills. Skin cancer.
Selenium Danger? - Ask Dr. Weil
11.09.2008 · Selenium Danger? I’m male, age 53, 147 pounds, 5’11”. I’ve been taking 200 mcg of selenium daily. My diet emphasizes whole grains, fruits and vegetables. I exercise regularly. During my last medical exam I learned that I am pre-diabetic. I’ve read that selenium supplements have been linked to increased rates of type 2 diabetes. True? Andrew Weil, M.D. | November 14, 2014. 0 shares 2 ...
SELENIUM TONING - jbhphoto.com Blog
09.09.2012 · Selenium toning of finished prints is a given for what we do. Every print is toned in selenium, for permanence, a slight shift in print color, and to enhance tonal range. We have used numerous dilutions of toner and what works for one stone and developer combination, may not work for another. When it comes to the dilution and time, you have to experiment. Here is how we selenium …
Can Selenium Be Harmful? | Healthy Eating | SF Gate
Can Selenium Be Harmful?. Selenium is a mineral essential in small amounts for thyroid and immune system function. It also acts as an antioxidant, helping prevent cell damage by free radicals. Consuming sufficient amounts of selenium may lower your risk for heart disease and cancer, but consuming excessive amounts of ...
sump pump dangers? - Large Format
09.06.2011 · Selenium toner has an ammonia odor because it contains ammonium thiosulfate, ie, rapid fixer. Selenium toner is normally used to exhaustion - most people dont throw it out after a single use. So as a practical matter, if you detect an ammonia odor, it is far more likely to be fixer than toner.
SAFETY DATA SHEET HARMAN Selenium Toner 1+3
HARMAN 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 SDS. However, we do so in order to help users to ...
Selenium or Sepia Toning for your Black and …
To see the effects of our sepia and selenium toning options click on the images below. Please specify toner type and solution, listed below image, when ordering. We can also make sample prints for your inspection. Please note that an online image cannot accurately represent the complexity and range of a toned image. Sepia Toner
How to Use Kodak Selenium Toner - teachingphoto.com
chemical, cover selenium toner trays with a Plexiglas cover when they are not in use. You can add a small amount of Kodak Balanced Alkali to the toner to cut the ammonia smell. Set Up It’s best to dedicate a set of trays only for toning, and to clean them thoroughly before and after use. Any stone residue in the trays can cause staining or inconsistent results. To tone with selenium toner ...
Selenium: Why Too Little or Too Much Can be …
Selenium is a trace mineral essential to your body’s ability to function normally. Despite its importance, relatively little selenium is needed; yet, failure to consume that minuscule quantity can lead to serious, even life-threatening, health problems. And the same holds true for consuming too much. To fully appreciate the importance of this ...
Tim Layton Fine Art | How to Selenium Tone Black …
BENEFITS OF SELENIUM TONING YOUR B&W FILM NEGATIVES Increase contrast and density of your negative that otherwise might not be possible with specific film and developer dilutions. Tonal expansion – could achieve N+1 from an N-type negative, for example.
sump pump dangers? [Archive] - Large Format …
Do a search on my name to find one of my posts regarding replenishing and re-using selenium toner. You do not ever need to discard large quantities of it. and you shouldnt anyway if it is still active, since then it still contains a relatively larger amount of dangerous selenium, which should not …
Is diluted selenium toner dangerous to drink?
Yes, diluted selenium toner is dangerous to drink. Yes, the smell of sulphide toner is dangerous. I understand it is more poisonous than cyanide. If someone passes out with the smell, they have been POISONED and medical assistance should be urgently requested. -- Alan Gibson ([email protected]), January 27, 2000.