​Calibration

One 125 mL screw-cap poly bottle preserved with HNO3.

One 125 mL screw-cap poly bottle preserved with HNO3 and tartaric acid.

One 125 mL standard containing Magnesium at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 125 mL standard containing Calcium at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 125 mL standard containing Yttrium at 1000 mg/L in H2O with HNO3. This CRM is covered by ERA’s ISO 17034 accreditation.

One 125 mL standard containing Lithium at 1000 mg/L in H2O with HNO3. This CRM is covered by ERA’s ISO 17034 accreditation.

One 125 mL standard containing Bismuth at 1000 mg/L in H2O with HNO3. This CRM is covered by ERA’s ISO 17034 accreditation.

One 10 mL flame-sealed ampule containing 1,000 mg/L sulfide preserved with NaOH and zinc acetate.

One 500 mL standard containing Complex Cyanide at 1000 mg/L in H2O with NaOH. This CRM is covered by ERA’s ISO 17034 accreditation.

One 500 mL standard containing Cyanide (free) at 1000 mg/L in H2O with NaOH. This CRM is covered by ERA’s ISO 17034 accreditation.

One 1,000 mg/L standard preserved with HCl in a poly bottle.

One 500 mL standard containing Sulfate at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 500 mL standard containing Phosphate as PO4 at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 500 mL standard containing Phosphate as P at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 500 mL standard containing Nitrate as NO3 at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.

One 500 mL standard containing Nitrate as N at 1000 mg/L in H2O. This CRM is covered by ERA’s ISO 17034 accreditation.