- Low concentration: This 500 mL solution has a concentration of 1 mg/L and is for use with the nitrate ISE.
- High concentration: This 500 mL solution has a concentration of 100 mg/L and is for use with the nitrate ISE.
$25.00
The High and Low ISE standards are used to calibrate Nitrate Ion-Selective Electrodes.
Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications.