ULTRA Scientific

Semi-Volatiles Internal Standard Mixture (For EPA 625, 8270C, CLP)

Chemical Name or Material: Semi-Volatiles Internal Standard Mixture

Total Organic Carbon (TOC) Standard, 50mg/L in Water with Trace Sulfuric Acid, Ultra Scientific

CAS: 877-24-7 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.222 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M PubChem CID: 23676735

Paraquat Dichloride, >95%, Ultra Scientific

CAS: 1910-42-5 Molecular Formula: C12H14Cl2N2 Molecular Weight (g/mol): 257.158 InChI Key: FIKAKWIAUPDISJ-UHFFFAOYSA-L PubChem CID: 15938 ChEBI: CHEBI:28786

Scandium Standard, at 10,000μg/mL in water w/Dilute Nitric Acid, Ultra Scientific

CAS: 7440-20-2 Molecular Formula: Sc Molecular Weight (g/mol): 44.956 InChI Key: SIXSYDAISGFNSX-UHFFFAOYSA-N PubChem CID: 23952 ChEBI: CHEBI:33330

VOC Mixture (For EPA 502.2, 524.2, 8021A, 8260)

Chemical Name or Material: VOC Mixture

Total Residual Chlorine Drinking Water/Wastewater Standard (ULTRAcheck™ Blind)

Total Residual Chlorine at 0.3-5.0mg/L when diluted to 2 liters

Free Cyanide Standard, 1000μg/mL in water with dilute sodium hydroxide, Ultra Scientific

Chemical Name or Material: Free Cyanide Standard CAS: 151-50-8 CAS Max %: 99.64 CAS: 1310-73-2 CAS Max %: 0.1 CAS: 7732-18-5 CAS Max %: 0.25

Base/Neutrals Surrogate Standard Mix (For EPA 8270C)

Each component at 100μg/mL in Methylene Chloride: Nitrobenzene-d5

Nitrite Drinking Water Standard (ULTRAcheck™ Blind QC Standard)

Nitrite (as N) at 0.1-1.0mg/L when diluted to 1 liter; Traceable to NIST

Carbamate Pesticides Mixture (For EPA 531.1)

Chemical Name or Material: Carbamate Pesticides Mixture

Chlordane (For EPA 500, 600, 8000/ Appendix IX, CLP Methods)

CAS: 57-74-9 Molecular Formula: C10H6Cl8 Molecular Weight (g/mol): 409.758 InChI Key: BIWJNBZANLAXMG-POTNBKISSA-N PubChem CID: 24860539

Trihalomethanes Mixture (For EPA 501)

Chemical Name or Material: Trihalomethanes Mixture

Organochlorine Pesticides Mixture (For EPA 617, 8080A, 8081/Appendix IX)

CAS: 540-84-1 Molecular Formula: C8H18 Molecular Weight (g/mol): 114.232 InChI Key: NHTMVDHEPJAVLT-UHFFFAOYSA-N PubChem CID: 10907 ChEBI: CHEBI:62805

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