Caffeine (free) 0,2 mg/mL in Water

Caffeine (free) 0,15 mg/mL in Water

Caffeine (free) 0,1 mg/mL in Water

Surrogate Standard Solution 1 component (EPA 508.1) 4,4'-Dibromobiphenyl 1000 mg/L in n-Hexane

Internal Standard Solution 1 component (EPA 8260B) Ethylene oxide 5000 µg/mL in Water

Internal Standard Solution 1 component (EPA 8240B) Ethylene oxide 200 µg/mL in Iso-octane

Phenol Calibration Standard 1 component (ISO 18857-1:2005) 4-tert-Octylphenol 100 µg/mL in Toluene

Surrogate Standard Solution 1 component (EPA 625) 2-Fluorophenol 100 µg/mL in Acetone

Standard Solution 1 component (EPA 625) Pentafluorophenol 100 µg/mL in Acetone

Stock Solution 1 component (ISO 9562:2004) 2-Chlorobenzoic acid 1104 mg/L in Water