Reconstitute with 18 MO-cm water, to no less than 0.1 mg/ml, which can then be further diluted to other aqueous solutions.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.