 
            Pyxis
Checkout securely with:
HST stands for Halogen Stable Triazole, a halogen stable version of TTA (TolyTriazole) which is utilized in water treatment programs. The HST standards are used to calibrate the following devices:
| HST Calibration Solutions | |
|---|---|
| P/N | HST-01 20131 HST-02 20132 | 
| HST (ppm) | HST-01 1.00ppm (±0.05) | 
| pH | 6.8–8.0 | 
| Container (mL) | 16 oz. / 500mL Nalgene™ Amber Narrow Mouth Sample Bottle | 
| Volume (Net) | 510 ±10mL | 
| Weight (Net) | 510g ±10g | 
Downloads