Convenient and economical
- Plastic-backed paper test strips for determining pH
- Supplied in packages of 6 transparent plastic boxes of 100 strips per box with color comparison chart
- Can be rinsed briefly to permit testing of colored, turbid solutions; can be used to test solutions containing quaternary ammonium salts and proteins
- 0-14 pH range has four indicators; pH ranges of 0-6, 5-10 and 7.5-14 have three indicators; all others have two indicators