MRC Explorer-9000, Руководство пользователя, Страница: 17 / 31

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We sometimes intentionally add some element into the sample as an internal standard, which is
known as internal standard method.
4.6 Sample handling
You can measure directly by placing the nosepiece near the sample during mobile operation (ie,
real-time mobile detection by holding the instrument in hand) But be careful not let the irregular
barbed samples pierce the test film, which may cause damage to the beryllium window.
During stationary operation (i.e. install the instrument on a bracket), note the following points:
1) Avoid splashing liquid or dropping foreign objects into the instrument. Otherwise, it
might cause inaccuracies, even malfunctions.
2) Handle gently. Better use tools(e.g. tweezer) to avoid damaging the test film.