Procal Turbidity Standard, Hach 2100an, 20ntu, 250ml, Each

Details:

Procal primary turbidity standards have been certified by hf scientific for use in the hach® 2100an laboratory turbidimeter. No formazin is used, making the standards safer, easier to use, accurate and less expensive that the equivalent hach® product. In addition to being approved by the epa, procal™ has been certified through testing conducted by hf scientific demonstrating that procal™ performs as well as hach® primary turbidity standards in selected hach® instruments. Test results are available upon request. Hach® is a registered trademark of the hach company, which is not affilitated with hf scientific.