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IPC-TM-650 TEST METHODS MANUAL

1 ScopeThis test procedure is designed to measure thelevel of anionic and cationic residues on the surface ofunpopulated (bare) printed boards by ion Applicable DocumentsIPC-WP-008 Setting Up Ion Chromatography Capability3 Test SpecimenAny printed board4 Apparatus and Chromatograph capable of accurately measuring ionconcentration down to parts per million (ppm). The equip-ment and chemistry should be set up and standardized perthe manufacturer s instructions. The separation column andeluent composition should be chosen to provide good sepa-ration of the ions of Water Bath capable of maintaining 80 2 C[176 F]. extraction gloves, , cleanroom vinyl gloves. (<3 ppm ofChloride). water with a starting resistivity of at least or ACS grade chemicals for eluent and regener-ant standard - traceable calibration standards ( ,NIST traceable).

1 Scope This test procedure is designed to measure the level of anionic and cationic residues on the surface of unpopulated (bare) printed boards by ion chromatography. 2 Applicable Documents

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