Marshall,
I use a spectophotometer all of the time to measure ionic silver and
have no problems. Wjose chemicals are you trying yo use?
"Ole Bob"
Marshall Dudley wrote:
What salt would it form? It is a noble metal, and it is hard to get it to
combine with anything except sulfur. All salts of silver will precipitate
back to silver metal upon exposure to light, or in the presence of silver
particles and caffeine or other developer. If you ever tried to use a photo
spectrometer which requires make a silver salt you would know that it is
darn hard. The process I have to use involves mixing with fuming nitric
acid, and requires boiling dry with it. Anything else and it just sits
there.
Marshall
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