Silvergrain Tektol: some deposits and stuff in suspension

Discussion in 'B&W: Film, Paper, Chemistry' started by malinmalin, Dec 5, 2007.

  1. malinmalin

    malinmalin Member

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    Hello,

    Something like ~6 months ago I bought a bottle of Silvergrain Tektol Neutral to eventually
    test it, which I did over the weekend. I kept the bottle as recommended and I never opened
    it until this weekend. I then transfered the rest of the bottle in non-pyrogenic 50ml polypropylene
    conical tubes (nice to work in a place with a lot of labware!) which when filled to the rim contain ~57ml.
    Things is that when the tube are filled up and put in reverse on their cap a little bit of air is still trapped
    at the tip of the cone. Now after a few days I can see some deposit in the tube and there some stuff
    in suspension. Normal?

    regards,
    jf