Ready-to-use test strips for simple pH tests.
Flat box of 100 Macherey-Nagel pH-Fix test strips 6 x 85 mm.
Just dip and compare the colour against the colour chart on the pack. There are 4 colour ranges to make finding the right pH easier. These test strips are designed to be used in low buffered – acidic to alkaline solutions.
- Ready for use – graduations of 0,1, 2, 3,4, 5,6, 7, 8, 9, 10, 11, 12, 13, 14
- Safe – the long plastic handle effectively protects user from contact with the sample
- pH-Fix technology ensures that the indicator stays fixed to the test paper and does not wash out, so it will not stain clothes and samples remain pure
- Includes a complete colour chart, so they are readily calibrated
- Can be used in weakly buffered solutions
- Sensitive – small pH changes down to 0.2 pH units (depending on the reference) are visible