Ion Test Paper Cyan Check 1 box (100 sheets) 07030100 1 box (100 sheets)

This test paper detects ions and can determine their concentration by comparing it with the included standard color chart. It can easily detect ions, measure concentrations, and measure pH. Measurement range: 0 to 1,000 mg/L (ppm). pH of test solution: 7-9 Quantity: 100 pieces