Formula: CaCO₃ in 3% HNO₃ Formula Weight: 100.09

AA, colorimetric or volumetric standard. Concentration 1,000 +/- 10 ug/ml Matrix: < 30% HCl NIST Traceable

Matrix: 2% HCl Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

Actual Concentration: 1,000ppm ± 3ppm NIST Traceable

Formula: Cu in 3% HNO₃ Formula Weight: 63.55

*NIST Traceable Standards for AA, ICP, & ICP-MS.

Matrix: 2% HNO3 Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

*NIST Traceable Standards for AA, ICP, & ICP-MS.

Actual Concentration: 1,000ppm ± 3ppm NIST Traceable

1 mL = 1 mg As (1,000 ppm As) Formula: As₂O₃ in 3% HNO₃

*NIST Traceable Standards for AA, ICP, & ICP-MS.

Formula: Ni in 3% HNO₃ Formula Weight: 58.69

*NIST Traceable Standards for AA, ICP, & ICP-MS.

Matrix: 2% HNO3 Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

Matrix: 1% HNO3 Min: >= 4.975 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

Matrix: 2% HNO3 Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

Actual Concentration: 1,000ppm ± 3ppm NIST Traceable

Formula: Te in 3% HNO₃ Formula Weight: 127.60

Actual Concentration: 1,000ppm ± 3ppm NIST Traceable

1 mL = 1 mg Pb (1,000 ppm Pb) Formula: Pb in 3% HNO₃ Formula Weight: 207.20

*NIST Traceable Standards for AA, ICP, & ICP-MS.

Matrix: 5% HNO3/0,5% HF Min: >= 995 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility