GP 432
50 g Potassium Bromide
1.5 g Boric Acid
2 g p-Benzoquinone added just before use.
One litre water
Bleaching time: One and a half times the time it takes to clear.
Temperature: 20C Agitation: Intermittent
Shelf life: Not long with the PBQ added.
This bleach never seemed to work for me, on Agfa Holotest 8E75HD. But it works quite well on Agfa Holotest 8E56HD. Go figure.
Also Agfa Gevaert Technical Information Bulletin 21.7271(480).