Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
With the implementation of the CLP/EU-GHS (Global Harmonized System) directive in January 2009, the procedures for the classification, labeling, and packaging of hazardous chemicals have been redefined. Preparing mixtures, such as e.g. mobile phases for HPLC, is a routine part of the work in a lab. All chemical containers should be properly labeled in order to minimize the risk of confusing chemicals. This enables first responders to initiate the correct measures in the event of an accident.
