pH buffers CPY20 Highly precise pH buffers for all industries Predecessor: CPY1, Buffer CPY2, CPY1 o Accuracy rating of +/- 0.02 pH o Traceable to NIST and PTB reference material o pH values 2.00, 4.00, 7.00, 9.00, 10.00, and 12.00 available Contact us for more information about this product Full name Email Phone Massage