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Dye destruction or dye bleach is a photographic printing process, in which dyes embedded in the paper are bleached (destroyed) in processing. [1] Because the dyes are fully formed in the paper prior to processing, they may be formulated with few constraints, compared to the complex dye couplers that must react in chromogenic processing.
When printing on continuous label stock, there is a tendency for the print location to shift slightly from label to label. To ensure registration of the print area with the target media, many label printers use a sensor that detects a gap, notch, line or perforation between labels.
like HEPA filter, used in various laboratories and clean rooms to produce lamellar air flow Radiation: •Gamma ray source: used in sterilization of heat-labile products like plastic or rubber syringes, catheters and gloves •X-ray source-do- •Infrared light source-do- •Ultraviolet light source-do- Inspissator
How to Clean “Use a couple of small squirts of mild liquid dish soap mixed into warm water and rub gently, then rinse,” recommends Harris. But don’t use too much dish soap thinking it’s ...
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The print must then be rinsed in water to removed the fixer. Photographic fixer is a mixture of chemicals used in the final step in the photographic processing of film or paper. The fixer stabilises the image, removing the unexposed silver halide remaining on the photographic film or photographic paper , leaving behind the reduced metallic ...
In some cases, the printer may choose to tone some parts of a print more than others. [1] Toner also can increase the range of shades visible in a print without reducing the contrast. Selenium toning is especially effective in this regard. Some toning processes can improve the chemical stability of the print, increasing its potential longevity.
“I always clean off dirt and grime with dish soap first,” says Stein. Simply sweeping away the debris or food particles in a kitchen sink enables the surface to be more exposed and sanitized ...