The Sterilization of Plastic Intravenous Injection Equipment**Abbott Laboratories’ Trademark is Venoset. by ethylene oxide vapor††Abbott Laboratories, Research Division. North Chicago, Ill.

Gibberellins Determination, Fluorometric Assay for Gibberellic Acid.

“…beaker, add 2 to 3 ml. of refrigerated 0.2 ' acetic acid-sodium acetate pH 4 buffer solution and about 15 to 20 mg. of tetrahydroxyquinone indicator (measured), and stir. The quick formation of rose-colored crystals indicates sufficient barium; persistence of a yellow color, with only a few rose-colored crystals, shows a need for additional barium.…”