The needle wash solutions are not included with the instrument. Prepare one liter of each of the following solutions:

AccelerOme system needle wash solutions composition

Solution name

Solution composition

Needle Wash Solution W1

Needle Wash Solution W1 – 0.1% formic acid in water, LC-MS grade

(for example, Water with 0.1% Formic Acid (v/v), Optima™ LC/MS Grade)

Needle Wash Solution W2

Needle Wash Solution W2 – 50% methanol and 0.05% formic acid in water, LC-MS grade

(for example, 1:1 v/v mix of needle wash solution W1 and Optima™ LC/MS Grade methanol)