HF Scientific, 52490, ProCal Primary Turbidity Standards for Hach 2100Q (0.0, 20, 100, 800 NTU) 250ml
This 250ml bottle ProCal primary turbidity standard has been certified by HF scientific for use in the Hach 2100Q portable turbidimeter (0.0, 20,100, 800 NTU). No formazin is used, making the standard 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.
Features:
- Factory certified by HF scientific for use in the Hach 2100P Portable Turbidimeter
- Biodegradable
- No formazin formula