Fisherbrand FKS10018080 Ph Indicator Paper Sticks

85mm x 6mm sticks with different indicator papers sealed onto each strip. The pH is determined by comparison with a color chart supplied. The sticks are sufficiently long to avoid contact between the fingers and the test sample.

• Provides outstanding measurements safely over the designated pH range
• Color scale on the test strip box allows exact comparison with the color developing on the test strip pad
• Indicator is covalently bonded on the pads and does not bleed into the sample – can be left in sample for an indefinite time without contamination
• Hydrophobic plastic handle protects user from sample and allows pH testing in narrow and deep vessels
• Available in a flat box so they fit into your pocket