Thermo Scientific™ Orion™ pH Buffer Bottles

Perform accurate, reproducible pH calibrations with color-coded Thermo Scientific™ Orion™ pH Buffer Bottles. pH 4.01, 5.00, 7.00 and 10.01 buffers are color coded for ease of use. All Orion pH buffers are traceable to NIST™ standard reference materials.

All Orion pH Buffer Bottles have pH/temperature tables printed on the labels for accurate calibrations and NIST traceability. Manufactured under ISO 9000 quality standards.

Buffer Color Codes:

• pH 4.01 buffer is pink
• pH 5.00 buffer is orange
• pH 7.00 buffer is yellow
• pH 10.01 buffer is blue