ROSS pH 4.01 Buffer, Color-Coded, 475 mL, Orion, 910104

Thermo Scientific™ Orion™ pH 4.01 Buffer, Color-Coded, 475 mL, Orion, 910104

Features:

• pH 4.01 buffer appearance:  light red liquid
• CAS Nos.:
  • Water:  7732-18-5
  • Potassium Hydrogen Phthalate:  877-24-7
  • Potassium Hydroxide:  1310-58-3
  • Amaranth Red No. 27:  915-67-3
• pH:  4.01
• Boiling point:  ~ 100 °C / 212 °F
• 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

Note:

• Buffers are available in pint (475mL) bottles, portable five packs of 2 oz. (5 x 60mL) bottles, convenient All-in-One buffer kits, 5 gallon (19L) Cubitainers™ and single-use pouches.