Preface
Thermo Scientific TSQ Series Hardware Manual xix
Solvent and Gas Purity Requirements
Use the highest purity solvents available. The TSQ mass spectrometer is extremely sensitive to
solvent impurities. Some solvent impurities are transparent to UV/Visible detectors, but are
easily detected by the TSQ mass spectrometer. Liquid chromatography grade is the minimum
acceptable purity. Higher grade solvents are preferred. Distilled water is recommended.
Deionized water contains chemicals and is not recommended.
You can order high quality solvents from Fisher Global Chemicals, telephone
(800) 766-7000.
The TSQ mass spectrometer uses argon as a collision gas. The argon must be high purity
(99.995%). The required gas pressure is 135 ± 70 kPa (20 ± 10 psig). Thermo Fisher
Scientific has found that particulate filters are often contaminated and are therefore not
recommended.
CAUTION Respect heated zones. Treat heated zones with respect. The ion transfer
capillary, the H-ESI vaporizer, and the APCI vaporizer might be very hot and might cause
severe burns if they are touched. Allow heated components to cool before you service
them.
CAUTION Place the mass spectrometer in Standby (or Off) before you open the
atmospheric pressure ionization (API) source. The presence of atmospheric oxygen in
the API source when the mass spectrometer is On could be unsafe. (The TSQ system
automatically turns the mass spectrometer Off when you open the API source; however, it
is best to take this added precaution.)
CAUTION Provide an adequate fume exhaust system. It is your responsibility to provide
an adequate fume exhaust system. Samples and solvents that are introduced into the TSQ
mass spectrometer will eventually be exhausted from the forepump. Therefore, the
forepump should be connected to a fume exhaust system. Consult local regulations for the
proper method of exhausting the fumes from your system.
CAUTION Use care when changing the vacuum pump oil. Treat drained vacuum pump
oil and pump oil reservoirs with care. Hazardous compounds introduced into the system
might have become dissolved in the pump oil. Always use approved containers and
procedures for disposing of waste oil. Whenever a pump has been operating on a system
used for the analysis of toxic, carcinogenic, mutagenic, or corrosive/irritant chemicals, the
pump must be decontaminated by the user and certified to be free of contamination
before repairs or adjustments are made by a Thermo Fisher Scientific San Jose Customer
Support Engineer or before it is sent back to the factory for service.
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