HF scientific Primary Turbidity Standard ProCal turbidity standards are pre-diluted, factory certified, and ready for use with not only the HF scientific turbidimeter product line (Literature for ProCal for HF scientific) but with other manufacturer’s instrumentation, literature link for ProCal for Hach instruments.
Product Link (Pro Cal for HF scientific products)
Product link (ProCal for Hach)
The ProCal standard formulation utilizes a preservative that enhances stability, yet is safe and biodegrades rapidly in aquatic environments. Sold in a variety of different packages including: one liter, one gallon and more with virtually any value of interest available.
- Greener – safe and non-toxic
- Two year shelf life
- Cost Effective
- Easy to use
- Custom standards available
- Traceable to Formazin
“…the Office of Ground Water and Drinking Water’s Technical Support Center has concluded that HF scientific’s solution is an acceptable equivalent to currently approved primary polymer turbidity standards”
EPA, Feb. 2010 Primary Turbidity Standard