Buffer,pH 4.01,4 liter

-Oakton pH Buffer Solutions have pH/temperature tables printed on the labels for accurate calibrations (not on 60-mL, but included as insert)
-Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
-If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
-Buffer Options:
- pH 1.68 buffer available in clear
- pH 4.01 buffer available in red
- pH 6.86 buffer available in clear
- pH 7.00 buffer available in yellow
- pH 9.18 buffer available in clear
- pH 10.01 buffer available in blue
- pH 12.46 buffer available in clear

Standardized against NIST-traceable pH references for meters with 0.01 resolution. Sold in individual jugs; 1-gallon bottles are also available as a case of four.

Store buffers away from direct sunlight.