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Bante821 Portable Dissolved Oxygen Meter
16
Addendum: Preparation of the Zero Oxygen Solution
Dissolve 500mg of sodium sulfate (Na
SO
) reagent and a small amount of cobalt(II) chloride hexahydrate (CoCl
• 6H
O) in the 250mL distilled water, mix the
2
3
2
2
solution until the reagent is completely dissolved.
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