Potassium Hydroxide → Potassium Hydroxide

HRID 2104308Notes

Reaction equation

HRID 2104308 reaction equation
[S:1]([O:5][O:6][S:7]([O-:10])(=[O:9])=[O:8])([O-:4])(=[O:3])=[O:2].[Na+].[Na+].[OH-].[K+:14]>>[OH-:2].[K+:14].[S:1]([O:5][O:6][S:7]([O-:10])(=[O:9])=[O:8])([O-:4])(=[O:3])=[O:2]

Participants

4

Reactant 2

HCID 14797Potassium HydroxideHCID 62655Sodium Persulfate

Product 2

HCID 14797Potassium HydroxideHCID 107879Peroxydisulfate

Procedure

Samples were generated by adding the contaminants listed in the table, with sodium persulfate and potassium hydroxide (KOH), to distilled water in 40 mL VOA bottle. The concentrations of the contaminants were set so that their initial concentrations were on the order of 10-20 mg/L (see table). The sodium persulfate was dosed so that its concentration was 25 mg/L, and KOH was dosed to give a mole ratio of KOH to persulfate in the range of 0.2, 0.38, 0.5 or 0.8. A mole ratio of 0.38 KOH: persulfate generated a pH of 11.5 after 7 days and 10.5 after 14 days.

Workup

  1. additionby adding the contaminants
  2. distillationto distilled water in 40 mL VOA bottle
  3. concentrationconcentrations

Sources & evidence

ORD record
ord-f8b1df858fd54ca4a6f42eaeaa3ad754
Source dataset
uspto-grants-2009_08
Patent number
US07576254B2

Reaction notes

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