Visiprep^™ SPE Vacuum Manifold

2-layer SPE cartridge efficiently reduces background for ginger contaminant analysis.

Use QuEChERS methods to analyze samples of milk for veterinary drugs.

Analysis of 20 pharmaceutical compounds in calf serum using Supel™ Swift HLB SPE cartridge for cleanup and LC-MS determination and another commercially available HLB cartridge for comparison.

Dual-layer cartridge achieves efficient SPE clean-up for challenging pesticide residue testing in turmeric and spices.

Optimize β-glucuronidase hydrolysis for glucuronide metabolite analysis considering factors like time, temperature, pH, and enzyme concentration.

Paprika spice's PAH contamination risk due to environmental exposure highlights food safety concerns.

solution, 2 μg/mL in acetonitrile, analytical standard

为了使用β-葡糖醛酸酶优化水解，必须对每种待分析的葡糖苷酸代谢物进行某些因素的评估，例如孵育时间、温度、水解pH、酶源和酶浓度。

固相萃取(SPE)是一种用在色谱分析（如 HPLC、GC、TLC 色谱）前快速、选择性制备和纯化样品的技术，主要用于置换样品基质、浓缩分析物、去除干扰成分和污染物，以改善数据结果、保护分析色谱柱。