Titanium Oxysulfate Solution

2 g titanium oxysulfate

2 g titanium (II) oxide (Sigma-Aldrich)

500 mL 20% (v/v) H₂SO₄ (J.T. Baker)

Prepare titanium oxysulfate solution 2 wk before needed to allow the titanium oxysulfate to sediment onto the bottom of the flask. Do not shake the flask during this period! Store at 4°C.

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