Results 91 to 100 of about 9,758 (222)
基于QuEChERS前处理技术和弱阳离子交换色谱的牛奶和奶粉中三聚氰胺的快速检测方法
, 2011 基于QuEChERS前处理技术和弱阳离子交换色谱的牛奶和奶粉中三聚氰胺的快速检测方
魏杰 +4 more
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QuEChERS-HPLC-DAD method for sulphonamides in chicken breast
, 2013 The development of a QuEChERS-HPLC-DAD method using a Lichrospher 60 RP-Select B column (250 x 4.6 mm x 5 µm) at 40ºC, mobile phase constituted by phosphate buffer:acetonitrile (75:25, v/v) at a initial flow rate of 0.5 mL min-1, increased by 1.2 mL min ...
Landin-Silva, Mariane +9 more
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QuEChERS: um método moderno de preparo de amostra para determinação multirresíduo de pesticidas em alimentos por métodos cromatográficos acoplados à espectrometria de massas QuEChERS: a modern sample preparation method for pesticide multiresidue determination in food by chromatographic methods coupled to mass spectrometry [PDF]
, 2009 This review attempts to provide an updated overview of the Quick, Easy, Cheap, Effective, Ruged and Safe (QuEChERS) multiresidue extraction method, that involves initial extraction in acetonitrile, an extraction/partition step after the addition of salt,
Renato Zanella +3 more
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Analysis of aflatoxins B1 and G1 in maize by quechers
Zbornik Matice srpske za prirodne nauke, 2013 A reliable and easy method has been developed for the determination of aflatoxins B1 and G2 in maize samples. High performance liquid chromatography coupled with FLD (HPLC-FLD) with photochemical derivatization was used. Mycotoxins were extracted from maize using a QuEChERS-based extraction procedure.
Vojislava Bursic +6 more
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Zhongguo shipin weisheng zazhiObjectiveTo establish a gas chromatography-tandem mass spectrometry （GC-MS/MS） method for the determination of ethylene oxide and 2-chloroethanol in pasta sauce.MethodsThe sample was extracted with acetonitrile， cleaned-up by QuEChERS purification agent ...
LIU Guangchen +4 more
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, 2019 This study evaluated different methods of extraction based on quick, easy, cheap, effective, rugged and safe (QuEChERS) method for analysis of the antibiotics ceftiofur, cloxacillin and enrofloxacin in milk using ultra-performance liquid chromatography ...
Andressa H. A. Grabsk (6936656) +6 more
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Deep Eutectic Solvent Based Quechers Method for Green Extraction [PDF]
The trend of contaminant analysis methods is beginning to shift towards methods that are considered greener in an effort to support environmental sustainability.
Rury Eryna Putri, Indriyanti Ibrahim
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Bihdāsht-i Mavādd-i Ghaz̠āyīDue to the widespread use of pesticides to protect agricultural products around the world and the accumulation of residues of these substances in plant tissue, most of the products that have been exposed to pesticides contain amounts of pesticide ...
Fatemeh Nasiri +3 more
doaj
Aplicação de metodologia QuEChERS para análise de alimentos [PDF]
, 2019 Due to the problems associated with human and environmental contamination by chemical residues from farming, the development of efficient methods to analyze those residues is essential to control the abusive and excessive use.
Donzelli Neto, João
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Elmalarda Chlorpyrifos’un QuEChERS Analiz Yöntemi ile Metot Validasyonu
Çanakkale Onsekiz Mart Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018 QuEChERS metodu ile “Golden Delicious” ve “Starking Delicious” elma çeşitlerinde chlorpyrifos etken maddenin kalıntı analizi için 0.05, 0.5 ve 5.0 mg/kg seviyelerinde zenginleştirme yapılarak validasyon gerçekleştirilmiştir. Analizler yapıldıktan sonra LC-MS/MS kullanılarak kromatografik ayrıştırma yapılmıştır.
DURMAZ, Ahmet, TİRYAKİ, Osman
openaire +3 more sources