ULTRA Scientific

Carbamate Pesticides Mixture (For EPA 531.1)

Chemical Name or Material: Carbamate Pesticides Mixture

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

Chemical Name or Material: Semi-Volatiles Internal Standard Mixture

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

Chemical Name or Material: Scandium Standard Name Note: 10, 000μg/mL CAS: 7440-20-2 CAS: 7697-37-2 CAS: 7732-18-5 Physical Form: Liquid

Potassium Standard, 10,000μg/mL in water with dilute nitric acid, Ultra Scientific

Chemical Name or Material: Potassium Standard CAS: 7440-09-7 CAS Max %: 97.0 CAS: 7697-37-2 CAS Max %: 2.0 CAS: 7732-18-5 CAS Max %: 1.0

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

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

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

Chemical Name or Material: Organochlorine Pesticides Mixture

Oil and Grease Wastewater Standard (ULTRAcheck™ Blind QC Standard)

Total Oil and Grease at 10-100mg/L when diluted to 1 liter

2,4,5,6-Tetrachloro-m-xylene, >95% min., Ultra Scientific

Chemical Name or Material: 2,4,5,6-Tetrachloro-m-xylene CAS: 877-09-8 CAS Max %: 100.0 Assay Percent Range: >95% min.

N-Nitrosodimethylamine, ≥95%, Ultra Scientific

Chemical Name or Material: N-Nitrosodimethylamine CAS: 62-75-9 CAS Max %: 100.0 Assay Percent Range: >95%

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

Paraquat Dichloride, >95%, Ultra Scientific

Chemical Name or Material: Paraquat Dichloride CAS: 1910-42-5 CAS Max %: 100.0 Assay Percent Range: >95 % min.

Zinc Standard, 10,000μg/mL in water with dilute nitric acid, Ultra Scientific

Chemical Name or Material: Zinc Standard CAS: 10196-18-6 CAS Max %: 97.0 CAS: 7697-37-2 CAS Max %: 2.0 CAS: 7732-18-5 CAS Max %: 1.0

Trichloroacetic Acid Solution, 1000μg/mL in tert-butylmethyl ether, Ultra Scientific

Chemical Name or Material: Trichloroacetic Acid Solution CAS: 76-03-9 CAS Max %: 99.86 CAS: 1634-04-4 CAS Max %: 0.13

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

Chemical Name or Material: Manganese Standard Name Note: 10, 000μg/mL CAS: 7439-96-5 CAS: 7697-37-2 CAS: 7732-18-5 Physical Form: Liquid

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