Online - Pay by credit card, check or your account.
By Phone - Call us at 800.628.7748 Mon.- Thurs. 7:30 -12:00, 12:30-3:00 pm EST, Fri.Closed
By Fax - Fax your order with ourpdf form.
The contents, when dissolved in 500ml of distilled water, make a precise buffer solution.
Supplied in packages of 5 envelopes each.