矢}オトフ盖 ノォラVヨハヌ壺マ猖ォラVキヨホオトミトナKイソキヨ,コテオトヨラモハケキヨホオテミト測ハヨ,イサコテオトヨラモヘヘハケキヨホ嗹セフハァ硲。」2」・QF-1。「1.5」・OV-17ヨハヌトソヌーケォユJモテキヨホモミ僂ツネ゙rヒ字庵チソオトタマヨラモ,ネヒcエカ獨Jユ豬リユユエヒナ葷,ムbヨ,オォ絹ヨオトタマサッ矢}ソシ曽オテノミノル。」
コニ雖ノォラV」ィノス翻」ゥ測モテシシミg饑ーl(fィ。)モミマ゙ケォヒセ」ャムミヨニQF-1ノォラVヨ忱カィモミ僂チラ゙r嚠」ャヨミァク゚」ャキヨxコテ」ャスYケ扨メ。」



The chromatographic column is the heart of gas chromatography analysis. Good columns make analysis easy, while bad columns often cause analysis failure. The 2% QF-1 and 1.5% OV-17 columns are currently recognized as ideal columns for the analysis of organochlorine pesticide residues. Most people carefully follow this method to prepare and install columns, but little consideration has been given to the aging of the columns.
Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. has developed a QF-1 chromatographic column for the determination of organophosphorus pesticide residues, with high column efficiency, good separation, and satisfactory results.
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