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55288-U

Supelco

Supel QuE QuEChERS tube

PSA/C18 Tube, pack of 100, AOAC® 2007.01

同義詞:

QuEChERS

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About This Item

分類程式碼代碼:
41115712
NACRES:
NB.21

product name

Supel QuE, PSA/C18 Tube, pack of 100, AOAC® 2007.01

材料

polypropylene tube

品質等級

agency

AOAC® 2007.01

產品線

Supel

成份

Discovery® DSC-18, 50 mg
magnesium sulfate, 150 mg
Supelclean PSA, 50 mg

包裝

pack of 100

技術

QuEChERS: suitable

離心管體積

2 mL

基質活性組

C18 phase
PSA phase

應用

food and beverages

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一般說明

分散SPE法,通常也是指"QuEChERS” 方法(快速,简便,便宜,有效,耐用和安全),是一种现代样本准备技术,正在越来越多地被用在食品和农业产品多残基杀虫剂分析领域。

使用QuEChERS方法,食品/农产品样本首先在水溶性溶剂(比如乙腈),在高盐(比如氯化钠和硫酸镁)和或者缓冲试剂(比如柠檬酸盐)存在下,进行提取。高盐能够引起液相分离,而缓冲试剂能够稳定酸碱不稳定杀虫剂。 在摇晃和离心之后,有机相部分就进一步用SPE清洁。 和传统的SPE管方法不同,在分散SPE中,清洁需要混合大量的SPE(比如Supelclean PSA, ENVI-Carb, 和或者Discovery DSC-18)和提取物。 在样本清洁后,混合物经过离心,得到的上清可以直接分析,或者在分析前需要很少的处理。

Supelco有一系列的管和离心管,含有预置量的盐和SPE吸附剂,能够支持现今最常用的方法。

法律資訊

AOAC is a registered trademark of AOAC International
Discovery is a registered trademark of Merck KGaA, Darmstadt, Germany
Supel is a trademark of Sigma-Aldrich Co. LLC

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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文章

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條款

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On Friday, April 27, 2018, the European Union decided to ban the use of three neonicotinoid insecticides from use on field crops, having deemed them dangerous to bees. This application demonstrates the analysis of these banned compounds and others from dandelion blossoms using QuEChERS and LC-MS.

Chromatograms

application for HPLCapplication for HPLC, application for SPE

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