Standardized against NIST certified pH 6.86 and 10.01 reference samples

Standardized against NIST certified pH 6.86 and pH 9.18 reference samples.

1 Analyte(s) @ 1000 µg/mL in water with dilute nitric acid

Standardized against NIST certified pH 4.01 and pH 6.86 reference samples.

1 Analyte(s) @ 10,000 µg/mL in water with dilute nitric acid