Anyone know of a good wipe that I can use for 300.1?

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Anyone know of a good wipe that I can use for 300.1? My current filter paper that we are using as a wipe has a high concentration of CL/SO4 and even 100ppb+ of NO2/NO3 when extracted with 10mL of DI water.. Anyone know of a better option?
Have you tried surgical gauze? We use it for organics and metals wipes, not sure how clean it would be for IC work.
The past is there to guide us into the future, not to dwell in.
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