Aeration Oxidation Apparatus for Free SO2 includes: Stand, double clamp, Nalgene aspirator, flowmeter, tubing & clamps, quick disconnects, 2 piece impinger unit, 100ml round bottom double neck flask, bubbler/stopper, stopper w/glass hose connector, aspirator faucet adaptor(s), and instructions. Reagents and an optional rinse bottle w/spout are available separately.
- .3% hydrogen peroxide
- 25% phosphoric acid
- SO2 indicator solution (made from methyl red and methyl blue)
- .01 normal sodium hydroxide (dilute 9 parts of distilled water to 1 part sodium hydroxide) (0.1 N formula)
- distilled water