AA and ICP Standards

Neodymium standard solution, for AAS, 1mg/mL Nd in 2% HNO₃, Thermo Scientific™

CAS: 7440-00-8 Molecular Formula: Nd Molecular Weight (g/mol): 144.24 MDL Number: MFCD00011130 InChI Key: QEFYFXOXNSNQGX-UHFFFAOYSA-N PubChem CID: 23934 ChEBI: CHEBI:33372 IUPAC Name: neodymium SMILES: [Nd]

Gadolinium standard solution, for AAS, 1mg/mL Gd in 2% HNO₃, Thermo Scientific™

CAS: 7440-54-2 Molecular Formula: Gd Molecular Weight (g/mol): 157.25 MDL Number: MFCD00011022 InChI Key: UIWYJDYFSGRHKR-UHFFFAOYSA-N PubChem CID: 23982 ChEBI: CHEBI:33375 IUPAC Name: gadolinium SMILES: [Gd]

TraceCERT™ Praseodymium Standard for ICP, 1,000 mg/L Pr in Nitric Acid, MilliporeSigma™ Supelco™

TPH in Soil - High - PT, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Trace Metals 2 - WS, Proficiency Testing Sample, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Trace Metals (Dissolved) - 2, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Mercury (Low Level) - WP, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Trace Metals 1 - WP, Proficiency Testing Sample, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Uranium - WS, Proficiency Testing Sample, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Metals in Soil - PT, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Titanium and Tin - WP, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Trace Metals 3 - WS, Proficiency Testing Sample, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

TraceCERT™ Gadolinium Standard for ICP, 1,000 mg/L Gd in Nitric Acid, MilliporeSigma™ Supelco™

TPH in Soil - Low - PT, MilliporeSigma™ Supelco™

This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.

Ricca Chemical Company Selenium Standard, 1mL = 1mg Se, 1000ppm Se, Ricca Chemical

CAS: 7446-08-4 Molecular Formula: O2Se Molecular Weight (g/mol): 110.97 MDL Number: MFCD00003562 InChI Key: JPJALAQPGMAKDF-UHFFFAOYSA-N PubChem CID: 24007 IUPAC Name: (oxo-λ⁴-selanylidene)oxidane SMILES: O=[Se]=O