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US 2019/0154646 A1Published application
Chemical indicator and method of use
Assignee3M Innovative Properties Company
InventorsWENSHENG XIA, NAIYONG JING, MATTHEW J. BONGERS
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Abstract
A peracetic acid decontamination chemical indicator including a substrate and an indicator composition disposed thereon, where the indicator composition comprises a colorant that changes color when exposed to a peracetic acid solution but does not change color when exposed to a hydrogen peroxide solution, an acidified hydrogen peroxide solution, or an acetic acid solution, and where the indicator composition does not include a transition metal salt or a halogen source, and methods of using the chemical indicator.
Claims20
A peracetic acid decontamination chemical indicator comprising:
- a substrate;
- and
- an indicator composition disposed thereon,
- wherein the indicator composition comprises a colorant that changes color when exposed to a peracetic acid solution but does not change color when exposed to a hydrogen peroxide solution, an acidified hydrogen peroxide solution, or an acetic acid solution, and wherein the indicator composition does not include a transition metal salt or a halogen source.
1 more element
Dependencies are inferred from the claim text.