CAJ | 학술논문

建立了纺织品中MST，ABP，VBL，4BK，CBS，CXT和WG 7种阴离子荧光增白剂（ FWAs）的前处理方法以及高效液相色谱荧光检测（ HPLC/FLD）方法。样品经水-甲醇（25：75）提取后直接由HPLC/FLD进行定性定量分析。采用Phenomenex Gemini 5u C18（150 mm×4.6 mm，5μm）色谱柱进行分离，以乙腈-2.5 mmol/L醋酸铵溶液为流动相，梯度洗脱。7种阴离子FWAs的相关系数均不小于0.9996，定量下限（ LOQs， S/N=10）为0.1~5.0 mg/kg。不同添加水平下，阴性棉织品和毛织品中7种阴离子FWAs的回收率为89.5％~98.9％，相对标准偏差（ RSDs）为2.4％~4.7％。该方法简单、灵敏度高、分析时间短，具有一定实际应用价值。
건립료방직품중MST，ABP，VBL，4BK，CBS，CXT화WG 7충음리자형광증백제（ FWAs）적전처리방법이급고효액상색보형광검측（ HPLC/FLD）방법。양품경수-갑순（25：75）제취후직접유HPLC/FLD진행정성정량분석。채용Phenomenex Gemini 5u C18（150 mm×4.6 mm，5μm）색보주진행분리，이을정-2.5 mmol/L작산안용액위류동상，제도세탈。7충음리자FWAs적상관계수균불소우0.9996，정량하한（ LOQs， S/N=10）위0.1~5.0 mg/kg。불동첨가수평하，음성면직품화모직품중7충음리자FWAs적회수솔위89.5％~98.9％，상대표준편차（ RSDs）위2.4％~4.7％。해방법간단、령민도고、분석시간단，구유일정실제응용개치。
A sample pretreatment coupled to high performance liquid chromatography with fluorescent detector( HPLC/FLD)method was developed for the determination of 7 anionic fluorescent whitening agents(FWAs),including fluorescent brightener 353(MST),2,2’-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-benzenesulfo-nicacitetrasodiumsalt( ABP),disodium 4,4’-bis[(4-anilino-6-hydroxyethylamino-1,3,5-triazin-2-yl)amino ] stilbene-2,2’-disulphonate( VBL ),2,2’-(( 1,1’-biphenyl )-4,4’-diyldi-2,1-ethenediyl)bis-benzenesulfonicaci(4BK),2,5-bis(5-tertbutyl-2-benzoxazlyl)phiophene( CBS), disodium 4,4’-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2’-disulpho-nate(CXT)and sodium 4-[3-(4-chlorophenyl)-4,5-dihydro-5-phenyl-1H-pyrazol-1-yl]benzenesul-phonate(WG)in textile. The samples were extracted with water-methanol(25 : 75),and directly qualitatively and quantitatively analyzed by HPLC/FLD. The separation of target compounds was per-formed on a Phenomenex Gemini 5u C18(150 mmí4. 6 mm,5 μm)column by gradient elution u-sing acetonitrile-water( containing 2. 5 mmol/L ammonium acetate)as mobile phase. The calibra-tion curves of 7 anionic FWAs showed good linearities with correlation coefficients not less than 0. 999 6. The limits of quantitation(LOQs,S/N=10)were in the range of 0. 1-5. 0 mg/kg. The recov-eries of 7 anionic FWAs in negative cotton and wool at three spiked levels ranged from 89. 5% to 98. 9% with relative standard deviations( RSDs)of 2. 4% -4. 7% . With the advantages of simplici-ty,high sensitivity and time-saving,this metsod has a certain practical value.