"SILICO & chemical PORCELAIN SE"

The strips have three pads for enhanced accuracy. Results are available in seconds.

Pocket-sized, lightweight vial containing blue litmus test strips. No color chart necessary.

Students explore the wide range of acid and bases and their effect on indicator dyes with this kit.

Test the pH scale from 0-11 in 1.0 units and from 12-14 in 0.5 units.

Exhibit Sharp Color Change for Each 0.5 pH Interval