Highly effective for characterising LC column parameters and tested against the NIST 870 standard.

• Mixture of 5 components in methanol
• Simple, easy, reliable approach to quality control (QC) evaluations or column classification
• Monitor column performance over time

The test mix contains: amitriptyline hydrochloride (549-18-8) 2,800 µg/ml; ethylbenzene (100-41-4) 1,700 µg/ml; quinizarin (81-64-1) 94 µg/ml; toluene (108-88-3) 1,400 µg/ml; uracil (66-22-8) 28 µg/ml.