Buffer 4pH 500ml 12/cs

Ideal for laboratory and field analysis

All Oakton pH buffers are traceable to NIST standard reference materials
Buffer solution lets you calibrate pH instruments to ensure accuracy
If unopened, shelf life is 2 years
NIST/USA buffer value of pH 4.01

MORE ABOUT THIS ITEM

-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 as a case of twelve bottles; 500-mL bottles are also available individually.

Store buffers away from direct sunlight.