Formula: K₂Cr₂O₇ in Water Formula Weight: 294.19 Synonym(s): Potassium Dichromate

Formula: Cu in 3% HNO₃ Formula Weight: 63.55

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

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

Matrix: 1% HCl Min: >= 199 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

Formula: BaCl₂•2H₂O Description: BaCl₂ in 3% HCl

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

Formula: HgO in 3% HNO₃ Formula Weight: 216.59

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: Au in 3% HCl Formula Weight: 196.97 Description: 1000ppm Au

Formula: Li₂CO₃ in 3% HNO₃ Formula Weight: 6.94

Inorganic Ventures' 1000 ppm Selenium for AA is a certified reference material set in a nitric acid matrix for stability. This selenium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

Formula: Cd in 3% HNO₃ Formula Weight: 112.41

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

AA, colorimetric or volumetric standard. Concentration 1,000 +/- 10 ug/ml Matrix: Nitric acid NIST Traceable

AA, colorimetric or volumetric standard. Concentration 2 ug/ml Matrix: <5% HNO3 NIST Traceable

AA, colorimetric or volumetric standard. Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid w/ trace HF NIST Traceable

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

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

Formula: Mn(C₂H₃O₂)₂ in 3% HNO₃

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