Tag: hypo

Fixador de Tiossulfato de sódio – porcentagens e conversões

jan 31, 2017

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por

Roger Sassaki

em Calótipo, Fórmulas úteis, Papel de Colódio Cloreto, Papel Salgado, Placa úmida de Colódio

O fixador fotográfico de Tiossulfato de Sódio (Hypo) é frequentemente usado em processo fotográficos a base de prata devido a seu baixo custo e simplicidade. Como também é o fixador mais antigo na fotografia, ele é muito referenciado em livros de receitas fotográficas. Porém existe uma coisa para ficarmos atentos. Existem duas formas de Tiossulfato…
Teste de Hypo/fixador residual (Kodak HT-2)

out 12, 2012

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por

Roger Sassaki

em Analógico, Fórmulas úteis

Use este procedimento para verificar se a cópia possui resíduos de fixador. Ou seja, mal lavada! Com o tempo, restos de fixador podem se combinar com a prata e degradar a imagem.

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Tag: hypo

Fixador de Tiossulfato de sódio – porcentagens e conversões

Teste de Hypo/fixador residual (Kodak HT-2)