Various types of indicator papers cover a wide pH range to allow for good accuracy of determining pH value of a solution. These Narrow Range Test Papers offer high sensitivity and sharp color change. Narrow pH unit graduation: 0.2-0.4 (Congo Red: color change to red indicates within specified range only) .
Dip the indicator test strip in solution and compare to the color chart on the container.
Available in 10 booklets of 20 leaves unless roll option is noted. Booklet size: 7 x 70mm; Roll size: 9mm x 6M.
Please Note: ALL Advantec items have a maximum 48 hour cancellation window. Any cancellations AFTER the 48 hour window will incur a restocking fee equal to the cost of the product.