Oxygen Scavengers Test 1.19251.0001 0.020 - 0.500 mg/l DEHA 0.027 - 0.667 mg/l carbohydrazide 0.053 - 1.315 mg/l hydroquinone 0.078 - 1.950 mg/l isoascorbic acid 0.087 - 2.170 mg/l MEKO 200 tests