"Sample+Dippers"

Five Types of Cohesiveness

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

The ammonia test kits employing the well-established Nessler reagent to determine ammonia concentrations are applicable to drinking water, clean surface water, and good-quality nitrified wastewater effluent.

Fetal pig tissue showing early tooth development.

Antibiotic-resistant bacteria have been traced to one farm and neighbors are concerned.

The replacement reagents for the iron tester sold seperatly. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.

What Ions Are Present In Water?

Learn about Structures within a Plant Stem

Easy to use water sampler for depths up to 20 m.

CHEMetrics’ Manganese water test kits employ the periodate chemistry that measures soluble manganese compounds but does not differentiate the various valence states.

Students determine contamination levels of ground beef in different environments.

Specimens illustrate important stages of mineral formation.

What Is It Like to Analyze a Crime Scene?

Compact grain testing kit for multi-parameter seed and grain quality analysis.

Chemically inert and unbreakable.

Explore the four main types of materials: metals, polymers, ceramics, and composites.