The peroxide test is especially suitable for monitoring prescribed cleaning agent concentrations.

Wide pH Range: 1 to 11 Double roll dispenser; polystyrene with stainless steel cut off lips; holds two 15ft rolls of pH paper pH color chart is printed on the side of the case Sharp color change for each full pH unit

Hydrion Chlorine Test Paper provides a simple, reliable, and economical means to measure the concentration of free available chlorine in sanitizing solutions. With color matches at 10-50-100-200ppm, the test paper measures concentrations between 10-200ppm. Federal, State and Local health…

Hydrion Jumbo Size pH Papers are easier to read with larger color charts. The .5" width of the paper enables clearer and quicker color matching. Hydrion Jumbo Insta-Chek Wide Range pH Paper consists of roll of pH paper, packed in a plastic dispenser with an extra large color chart for…

Supplied with 2 test paper rolls each at 50 feet long; color change for each 1.0 pH unit

pH test strips for a wide pH range: 2.0 to 10.0. Convenient precut 2 inch x 7/32 inch paper strips Includes color chart with sharp color changes for each full pH unit Packaged in plastic vials with a polyethylene stopper Cost comparable to two vials of old style litmus paper …

Commonly used to test urine and saliva, this short-range Hydrion pH Paper is excellent for measuring pH solutions around neutral pH 7.00 and offers clear bright single color matches at every .5 interval from pH 4.5-8.5. The color chart has pH matches at…

Most natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range. Contains 50 tests. Easy to use, disposable, and…

Set includes one wide 0.0-13.0 pH range paper roll and six rolls having short pH ranges of 1.0-2.5, 3.0-5.5, 6.0-8.0, 8.0-9.5, 10.0-12.0 and 12.5-14.0 Paper rolls are packaged in protective plastic dispensers designed with a serrated edge for easy tear off of desired paper size Clear,…

Contains four distinct indicator dyes fixed to a plastic strip that provides accurate pH measurement without the use of a pH meter Even buffered or weakly buffered solutions can be measured Sticks are color-fixed and non-bleeding Packaged in easy-to-use boxes containing 100 sticks each.

Hydrion Buffer Capsules are perfect for quick and easy pH meter calibration. When mixed with distilled or de-ionized water, a Hydrion Buffer Capsule will accurately produce 100 ml.of solution at pH 2.00. Hydrion Buffers are free flowing soluble powders that prepare clear or color safe solutions in…

The nitrate test can be used for monitoring of drinking water, process water and wastewater, as well as in aquarium water where limits can quickly be exceeded. It can also be used for determine nitrate in food e.g. potatoes.

4.0-9.0 Hydrion double roll pH papers consist of two rolls of pH papers packaged in a protective plastic dispenser with stainless steel cutoff lips and two matching color charts. pH color changes are distinct and easily matched to the color chart. Application: For Double Dispensers

Wide pH range of 0.0 to 6.0 Dispenser has a serrated edge to easily tear off the desired size paper Color chart provides distinct color changes for clear matching Double roll dispenser is supplied in a polypropylene case for protection and portability Sufficient for at least 240 tests

Our pH, Indicators & Dyes kit includes 4 primary activities, each accommodating up to 40 students. This STEM kit contains structured investigations to make inquiry based learning affordable and fun! For pennies per experiment, your students have access to digital PDF content such as Individual…