Dilute Base For SO2, 1oz
Item No.
170-1603
Dilute Acid (PN 170-1589) and Dilute Base (PN 170-1603) are used to check the indicator solution when measuring total sulfur dioxide with aeration/oxidation method. Add dilute acid to the indicator solution until it turns deep purple, then add dilute base until it turns bright green. If they do not
Description
Dilute Acid (PN 170-1589) and Dilute Base (PN 170-1603) are used to check the indicator solution when measuring total sulfur dioxide with aeration/oxidation method.
Add dilute acid to the indicator solution until it turns deep purple, then add dilute base until it turns bright green. If they do not turn a bright royal purple or bright emerald green, the indicator will produce falsely low results and needs to be replaced.
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