Wednesday, 3 August 2011

Albumen

solution A (albumen)

-egg whites 10
-distilled water 10ml
-ammonium chloride or salt 4gm
-glacial acetic acid 0.5ml



mix
step1(salted water) mix the ammonium chloride or salt into the distilled water until the salt has dissolved then add the glacial acetic acid
step2 separate all the egg whites from the yolks (note remove any shell or soild from the egg whites)
step3 add the salted water to the egg whites
step4 beat the egg whites until it turn completely to foam
step5 place in the fridge for 24 hour to settle
step6 filter the foam through a cheese cloth and then put clean egg white in the fridge for 1 week+
after a week the albumen is ready but the longer the albumen sit in the fridge the better it is. 

solution B

-12gm silver nitrate
-100ml distilled water

ingredients

solution A (albumen)
solution B 
paper (100%cotton)  
sticky tape
glass pull rod or hake brush
negative film
pencil
distilled water
sodium thiosulfate

process

step1 stick the paper to a work table and mark where the film sit on the paper
step2 apply solution A (albumen) to the paper using the glass rod then dry the coated paper
step3 (optional) to harden the albumen by soaking it in 70%-100% alcohol (isopropyl alcohol)
step4 (optional) recoat albumen (1 coat semi gloss, 2 coats gloss)
step5 apply solution B with glass rod then dry the paper
step6 expose the coated paper in a UV unit or in the contact frame in the sun
step7 once the image been exposed on stop over this allows for fading in the fix.
step8 develop
important exposers need to be longer then 15 mins or prints shadows may not be black/dark.this is caused when the surface of the silver nitrate turns black to fast and blocks the silver underneath from getting exposed 

Develop
bath 1 clearing wash in distilled water for 5-10mins
bath 2 clearing wash in distilled water for 2mins
bath 3 (fixer) soduim thiosulfate15% with distilled water 4 mins
bath 4 (wash)running water 20-30mins 
dry print



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