70 1260 Infinity Binary Pump User Manual
4 Using the Pump
Solvent Information
Material Information
Materials in the flow path are carefully selected based on Agilent’s
experiences in developing highest quality instruments for HPLC analysis
over several decades. These materials exhibit excellent robustness under
typical HPLC conditions. For any special conditions, please consult the
material information section or contact Agilent.
Disclaimer
Subsequent data were collected from external resources and are meant as
a reference. Agilent cannot guarantee the correctness and completeness of
such information. Data is based on compatibility libraries, which are not
specific for estimating the long- term life time under specific but highly
variable conditions of UHPLC systems, solvents, solvent mixtures and
samples. Information can also not be generalized due to catalytic effects of
impurities like metal ions, complexing agents, oxygen etc. Apart from pure
chemical corrosion, other effects like electro corrosion, electrostatic
charging (especially for non- conductive organic solvents), swelling of
polymer parts etc. need to be considered. Most data available refers to
room temperature (typically 20 – 25 °C, 68 – 77 °F). If corrosion is
possible, it usually accelerates at higher temperatures. If in doubt, please
consult technical literature on chemical compatibility of materials.
PEEK
PEEK (Polyether- Ether Ketones) combines excellent properties regarding
biocompatibility, chemical resistance, mechanical and thermal stability.
PEEK is therefore the material of choice for UHPLC and biochemical
instrumentation.
It is stable in a wide pH range, and inert to many common solvents.
There is still a number of known incompatibilities with chemicals such as
chloroform, methylene chloride, THF, DMSO, strong acids (nitric acid >
10 %, sulphuric acid > 10 %, sulfonic acids, trichloroacetic acid), halogenes
or aequous halogene solutions, phenol and derivatives (cresols, salicylic
acid etc.).
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