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HYDROQUININE POWDER 100 GRAMS HYDROQUININE POWDER 100 GRAMS

HYDROQUININE POWDER 100 GRAMS

Our Price: $15.00
POTASSIUM BROMIDE 100 GRAMS POTASSIUM BROMIDE 100 GRAMS

Potassium Bromide (KBr)
Used as a restrainer in black and white developer formulas. It improves the differentiation between exposed and unexposed crystals of silver halide reducing fog.

Our Price: $15.00
3,3′-THIODIPROPANOIC ACID 50 GRAMS 3,3′-THIODIPROPANOIC ACID 50 GRAMS

3,3′-Thiodipropanoic acid S(CH2CH2COOH)2

Used in the Ligand solution for the Chrysotype printing process.

The New Chrysotype process has tonal and surface qualities and permanence like Platino-palladiotype, but a bonus feature of beautiful muted colours controlled by the chemistry of the process. Photographic artists should discover here a whole new palette of non-literal colour to explore in printing archivally permanent ‘monochrome’ images in hand-coated noble metal sensitizers:

http://www.mikeware.co.uk/mikeware/New_Chrysotype_Process.html

Our Price: $30.00
POTASSIUM BROMIDE 500 GRAMS POTASSIUM BROMIDE 500 GRAMS

Potassium Bromide (KBr)
Used as a restrainer in black and white developer formulas. It improves the differentiation between exposed and unexposed crystals of silver halide reducing fog.

Our Price: $50.00