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Oct 28, 2015 at 2:54 comment added random Mod "so how does one detect if the guy selling the refill inks has done his duty be me?" is an ambiguous sentence which can refer to either the seller or the person preparing the cartridges
Oct 28, 2015 at 2:26 comment added user289814 I did not ask if the seller was legitimate: "*Also, the chemicals involved in these inks are Pyrrolidone and Pentanediol - so how does one detect if the guy selling the refill inks has done his duty be me? Someone did point out that gas chromatography was one such way.
Oct 27, 2015 at 15:57 history answered randomMod CC BY-SA 3.0