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User Manual for Photographers' Formulary Hydroquinone - 30g Click to enlarge the picture
Contents of the user manual for the Photographers' Formulary Hydroquinone - 30g
- Product category: Alternative Process & Miscellaneous Chemistry Photographers' Formulary
- Brand: Photographers' Formulary
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Photographers' Formulary Alternative Process & Miscellaneous Chemistry
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User manual for the Photographers' Formulary Hydroquinone - 30g contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Photographers' Formulary product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Photographers' Formulary user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Photographers' Formulary product will considerably shorten its lifespan!
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Product description Photographer's Formulary Hydroquinone is generally a clean-working and nonstaining developer. It oxidizes easily both in solution and as crystals. - At temperatures bellow 50°F/10°C hydroquinone developers are inactive. It is extremely susceptible to the action of bromide.
- When compounded with alkali carbonates it gives a slow-working but contrasty developer.
- With caustic soda (e.g., sodium hydroxide) its action is very rapid, with the highest possible contrast. For this reason, it is the most widely used developer for technical applications, especially in process work where the highest attainable contrast is essential.
- In the presence of caustic alkali (i.e. high pH) it is not temperature-sensitive and can be used for low temperature developing.
- Hydroquinone developers keep well and are slowly exhausted.
- Hydroquinone alone is not largely used but in combination with metol (MQ) or Phenidone (PQ), it is among the most popular developers.
- By varying the relative quantities of metol and hydroquinone and adjusting the quantities of sulfite and carbonate, almost any desired contrast or rate of development can be obtained.
UPC: 675152670045 In the Box Photographers' Formulary Hydroquinone - 30g (1 oz) 30g (1 oz) Table of Contents
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Technical parametersPhotographers' Formulary 10-0670 30G Specs | Synonyms | 1,4-Dihydroxybenzene
Para-Dihydroxybenzene
1,4-Benzenediol
Dihydroxybenzene
Hydrochinon
Hydroquinol
Quinol
Tecquinol | | Appearance | White crystals
Lustrous, silky, white needles
Odorless | | Uses | Black & white photographic developer component that builds density in combination with other developers. | | Chemical Formula | C6H4(OH)2 | | Notes | Vitamin C can be used as a substitute for hydroquinone. Start by using 1.6 times the weight of hydroquinone, and increase the alkali (i.e., borax, carbonate, etc.) by 1.6 times to compensate for acidity of the vitamin C.Stable under ordinary conditions of use and storage. Solution becomes brown in air due to oxidation. | | | | Package Weight | 0.1 lb | | Box Dimensions (LxWxH) | 5.0 x 2.0 x 1.8" |
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