Ua hana ʻo Aijiren i ka hana ʻana i nā mea hoʻohana chromatographic no 20 mau makahiki. ʻO nā ʻano huahana i hana ʻia e Aijiren, ʻo ia ka Autosampler Vial, Syringe Filter, COD Test Tube, Headspace Vial, Reagent Bottle, a me nā mea ʻē aʻe. Hoʻohana kēia i ka hale hana hoʻopili i ke kiʻi.