Congo Red Paper
Multi-range pH testing
Indicator strips for fast pH measurement across multiple ranges, including universal and comparator papers
| Product | Graduation | Presentation | Code |
|---|---|---|---|
| Congo Red Paper | pH < 3 Blue/Violet - pH > 5 Orange/Red | 10 books of 20 strips | 010.1 |
Congo Red paper gives a qualitative indication of pH between 3.0 and 5.0. Below pH 3.0, a blue colour will be observed, whereas above pH 5.0 the paper will be bright red. Congo red paper is primarily used to test acid washes for metal plating.
- SDS (Saftey Datasheet)
- TDS (Technical Datasheet)