Chromatography Standards

Cation Mixed ICP Standard : 2500 ppm Ca, Mg, K, Na in 5% HNO₃, Ricca Chemical

CLP Cal Standard 1/ Initial Cal Version 2 Standard 3

TISAB Concentrate, Ricca Chemical

Mixed Anion Standard, Ricca Chemical

2000 ppm: Cl, SO₄/500 ppm N (as NO₃)/250 ppm Br/100 ppm F, N (as NO₂), P (as PO₄)

VeriSpec™ Mixed Cation Standard 6, Ricca Chemical

50 ppm Li⁺; 200 ppm Na⁺, K⁺, Mg²⁺; 400 ppm NH⁴⁺, 1000 ppm Ca²⁺ /nManufactured and Tested in

VeriSpec™ Mixed Anion Standard 7, Ricca Chemical

150 ppm SO₄^2-, PO₄^3-; 100 ppm NO₃^-, Br^-, NO₂^-; 30 ppm Cl^-, 20 ppm F^- /nManufactured and

Organic Carbon Standard, 50 ppm C, Ricca Chemical

CAS: 7732-18-5 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): Mixture InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

Organic Carbon Standard, 500 ppm C, Ricca Chemical

CAS: 7732-18-5 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): Mixture InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

Organic Carbon Standard, 5000 ppm C, Ricca Chemical

CAS: 7732-18-5 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): Mixture InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

Organic Carbon Standard, 100 ppm C, Ricca Chemical

CAS: 7732-18-5 Molecular Formula: C8H5KO4 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]

Phosphorus Standard, For ICP, 1,000 mg/L P in H2O, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 (ISO Guide 34). This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST or BAM.

Lactic Acid, 0.3% (w/v), Ricca Chemical

CAS: 50-21-5 Molecular Formula: C3H6O3 Molecular Weight (g/mol): 90.08 MDL Number: MFCD00004520 InChI Key: JVTAAEKCZFNVCJ-UHFFFAOYNA-N PubChem CID: 612 ChEBI: CHEBI:78320 IUPAC Name: 2-hydroxypropanoic acid SMILES: CC(O)C(O)=O

VeriSpec™ Mixed Anion Standard 7, Ricca Chemical

2 ppm F^-, 10 ppm PO₄^3-, NO₃^-, Br^-, SO₄^2-, 5ppm Cl^-, NO₂^- /nManufactured and Tested in a

VeriSpec™ Mixed Anion Standard 7, Ricca Chemical

0.5 ppm F^-, PO₄^3-; 1 ppm NO₂^-, NO₃^-, Br^-; 12.5 ppm SO₄^2-, Cl^- /nManufactured and Test

VeriSpec™ Mixed Cation Standard 6, Ricca Chemical

100 ppm: Li⁺, Na⁺, NH₄⁺, K⁺, Ca²⁺, Mg²⁺ /nManufactured and Tested in an ISO 17025/Guide 34

VeriSpec™ Mixed Cation Standard 6, Ricca Chemical

50 ppm Li⁺, Na⁺ 200 ppm; 250 ppm NH⁴⁺, Mg²⁺ ; 500 ppm K⁺, Ca²⁺ /nManufactured and Tested i