NSI Lab Solutions products

Environmental Reference Materials - PT Express - Drinking Water

NSI - Model QCI-142B - Corrosivity – Blind

A 500 mL whole-volume sample for determination of Corrosivity. Formulated in the NELAC range of -4 to +4 SI units. PT Express may take up to 10 business days to ship.

NSI - Model QCI-131B - Drinking Water Color – Blind

A 100 mL whole-volume sample for determination of Color. Formulated in the NELAC range of 1 - 25 CU. PT Express may take up to 10 business days to ship.

NSI - Model QCI-193B - Fluoride – Blind

A 125 mL whole-volume sample for determination of Fluoride. Formulated in the NELAC range of 1 - 8 mg/L. PT Express may take up to 10 business days to ship

NSI - Model QCI-145B - Hardness – Blind

A 250mL ready to use CRM for determination of Calcium( 30-90ppm), Magnesium (2-20ppm), calcium hardness (75-225ppm) and total hardness ( 83-307ppm). PT Express may take up to 10 business days to ship.