Photographers' Formulary Benzotriazole is used as an organic antifoggant and density depressant in developers. Benzotriazole acts as a restrainer without affecting other properties …

2020年6月2日 · I have just about used up the last of my Edwal's Liquid Orthazite. Does anyone know the formula for it? I hate the idea of wasting materials trying to replicate something when …

Unusual Fire & Explosion Hazards – None known. Symptoms and Effects of Overexposure – Eye contact may cause irritation. Prolonged or repeated contact may cause skin irritation. Eyes: …

2014年3月25日 · I use orthazite and for pretty foggy film I tend to add 5-10ml of orthazite and I believe I've found anti-fogging to be better when you combine kbr and btaz together Normally …

2009年7月27日 · I've searched Photo.net, and found all sorts of ideas to use benzotriazole, Edwal Liquid Orthazite, etc. I have a large number of 120 rolls of old Tri-X (the film with lots of silver …

2005年9月11日 · According to the MSDS Edwal Liquid Orthazite is a 2.7% solution containing <5% sodium sulfite.

2001年11月21日 · some Edwal Liquid Orthazite - which is a compound of . benzotriazole, sodium sulfite, & water. While it DOES mainly . spec for photo paper, there is this line at the bottom of …

2010年7月3日 · Want to Buy Rolleinar 1, Bay 1? I am looking into using Benzotriazole (BTAZ) to revive some fogged Kodak Polycontrast Rapid II RC paper, and have a few questions. …

Trouver un orthésiste-prothésiste près de chez vous. Il est le SEUL professionnel de la santé diplômé en orthèses-prothèses orthopédiques et spécialisé pour tous les appareils …

Benzotriazole was always sold as a liquid concentrate by Edwal as Orthazite. It's main purpose is to help salvage outdated papers, but it certainly can cool the tones in a paper with a slight blue …