Matrix Blanks and Standardization Solutions

Initial Calibration Verification Standard 7, CLP, Ricca Chemical

Mixed Calibration Standard 2, ICP, EPA 200.7 version 4.4, Ricca Chemical

Iron Standard, 200 ppm Fe, Ricca Chemical

CAS: 7783-83-7 Molecular Formula: FeH28NO20S2 Molecular Weight (g/mol): 482.176 InChI Key: LCPUDZUWZDSKMX-UHFFFAOYSA-K PubChem CID: 197097 IUPAC Name: azanium;iron(3+);disulfate;dodecahydrate SMILES: [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]

Chloride Standard, 25 ppm Cl^-, Ricca Chemical

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Phosphate Standard, 1000 ppm PO₄^3- (326 ppm P), Ricca Chemical

CAS: 7732-18-5

Fructose Standard, 50 ppm C₆H₁₂O₆, Ricca Chemical

CAS: 57-48-7 Molecular Formula: C6H12O6 Molecular Weight (g/mol): 180.156 InChI Key: BJHIKXHVCXFQLS-UYFOZJQFSA-N PubChem CID: 5984 ChEBI: CHEBI:48095 IUPAC Name: (3S,4R,5R)-1,3,4,5,6-pentahydroxyhexan-2-one SMILES: C(C(C(C(C(=O)CO)O)O)O)O

Phosphorus Standard, 10 ppb (10 μg/L) P, Ricca Chemical

CAS: 7778-77-0 Molecular Formula: H2KO4P Molecular Weight (g/mol): 136.08 MDL Number: MFCD00011401 MFCD00147253 InChI Key: GNSKLFRGEWLPPA-UHFFFAOYSA-M PubChem CID: 516951 ChEBI: CHEBI:63036 IUPAC Name: potassium dihydrogen phosphate SMILES: [K+].OP(O)([O-])=O

Mixed Acid, 10% (v/v) Hydrofluoric Acid/10% (v/v) Nitric Acid, Ricca Chemical

Nitrite Nitrogen Standard, 250 ppm N (821 ppm NO₂^-), Ricca Chemical

CAS: 7632-00-0 Molecular Formula: NNaO2 Molecular Weight (g/mol): 69.00 MDL Number: MFCD00011118 InChI Key: LPXPTNMVRIOKMN-UHFFFAOYSA-M PubChem CID: 23668193 ChEBI: CHEBI:78870 IUPAC Name: sodium nitrite SMILES: [Na+].[O-]N=O

Redox Standard Solution, Iodide/Triiodide, Ricca Chemical

Nitrate Standard, 10,000 ppm NO₃^-, Ricca Chemical

CAS: 7732-18-5

Copper Standard, 0.1 ppm Cu in 12.5% (v/v) Ethanol, Ricca Chemical

CAS: 7732-18-5

Sulfate Standard, 100 ppm SO₄^2-, Ricca Chemical

CAS: 7757-82-6 Molecular Formula: Na2O4S Molecular Weight (g/mol): 142.04 MDL Number: MFCD00003504 InChI Key: PMZURENOXWZQFD-UHFFFAOYSA-L PubChem CID: 24436 ChEBI: CHEBI:32149 IUPAC Name: disodium sulfate SMILES: [Na+].[Na+].[O-]S([O-])(=O)=O

Morpholine Standard, 1000 ppm C₄H₉NO, Ricca Chemical

CAS: 110-91-8 Molecular Formula: C4H9NO Molecular Weight (g/mol): 87.12 MDL Number: MFCD00005972 InChI Key: YNAVUWVOSKDBBP-UHFFFAOYSA-N PubChem CID: 8083 ChEBI: CHEBI:34856 IUPAC Name: morpholine SMILES: C1COCCN1

Copper Standard, 0.5 ppm Cu in 12.5% (v/v) Ethanol, Ricca Chemical

CAS: 7732-18-5