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TR IPHEN YL TIN CH LOR IDE: ME TH OD 5527, Issue 1, dated 1 5 Ma rch 2003 - Page 5 of 5 16. 17. 18. 19.
After the last injection, disconnect HPLC column from ICP instrument, and allow water to run through the ICP for 15 min. Flush HPLC column with a mixture of 70% methanol and 30% water and cap. Close oxygen valve and change Flush Step setting on ICP to 1. Turn off ICP following typical shut-down procedures.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
