QuEChERS 萃取产品 60105-210
产品特点: Thermo Scientific QuEChERS 萃取产品提供一种方便和有效的方法,用于测定水果、蔬菜和其他食品中残留的农药。QuEChERS 方法提供的优势包括:高回收率、结果精确、低溶剂和玻璃器具用量、低人力和工作台空间、降低试剂成本等。而程序即稳健又牢固。QuEChERS 方法是一个二步流程:萃取然后净化。萃取步骤产品使用 MgSO 来帮助萃取,连同 NaCl、柠檬酸钠或无水柠檬酸钠用于“对碱敏感的化合物(例如,灭菌丹或克菌丹)。萃取步骤产品采用 50mL 聚丙烯离心管以方便萃取。净化步骤产品包含 PSA(伯胺/仲胺) ,用于去除其他化合物中的有机酸和极性色素。某些产品将 PSA 与封端 C18 配合使用来去除大多数的脂质和固醇,或连同石墨化碳黑用于去除固醇和色素,例如叶绿素。备有各种试管格式和柱床重量来适应大小样本尺寸。可测定比标准 SPE 更多的农药易于使用备有多种配置供选择HyperSep Dispersive SPEConsiderations in method development1) Determine the properties of the pesticides of interest:* Base sensitive compounds - use extraction product with sodium acetate* pH dependent* Non-base sensitive compounds - use extraction product with sodium chloride or sodium citrate2) Determine the properties of the sample matrix:* General* Fatty* Pigmented* Highly pigmentedHyperSep Dispersive SPE Extraction ProductsHyperSep Dispersive SPE Clean-Up Products 订购信息: 60105-20830 Pack500mg PSA on bottom, 500mg GCB on top, separated by a frit660105-20930 Pack HyperSep Dispersive SPE Pre-Packed Extraction ProductsDescription Capacity(mL)Cat. No.(250 Pack)Cat. No.(25 Pack)6000mg anhydrous magnesium sulfate, 1500mg anhydrous sodium acetate5060105-21060105-3104000mg anhydrous magnesium sulfate, 1000mg anhydrous sodium chloride50 60105-21160105-3114000mg anhydrous magnesium sulfate, 1000mg sodium chloride,1000mg sodium citrate tribasic dihydrate, 500mg disodium citrate sesquihydrate50 60105-216 60105-316 6000mg anhydrous magnesium sulfate, 1500mg sodium chloride, 1500mg sodiumcitrate tribasic dihydrate, 750mg disodium citrate sesquihydrate50 60105-212 60105-312 1500mg magnesium sulfate, 500mg C185060105-234–Each pack contains centrifuge tubes pre-packed with sorbents HyperSep Dispersive SPE MultipacksDescription Cat. No.Quantity4000mg anhydrous magnesium sulfate, 1000mg sodium chloride60105-33250 Pack4000mg anhydrous magnesium sulfate, 1000mg sodium chloride,500mg sodium citrate dibasic sesquihydrate, 1000mg sodium citrate tribasic60105-333 50 Pack 4000mg anhydrous magnesium sulfate, 1000mg sodium acetate60105-33450 Pack6000mg anhydrous magnesium sulfate, 1500mg sodium acetate60105-335 50 Pack6000mg anhydrous magnesium sulfate, 1500mg sodium chloride60105-33650 Pack6000mg anhydrous magnesium sulfate, 1500mg magnesium sulfate,1500mg sodium citrate dihydrate, 750mg disodium citrate sesquihydrate60105-337 50 Pack 8000mg anhydrous magnesium sulfate, 2000mg of sodium chloride60105-33850 Pack8000mg anhydrous magnesium sulfate, 3500mg of sodium chloride60105-33950 PackEach pack contains centrifuge tubes and sorbents packaged in mylar pouchesHyperSep Dispersive SPE Mylar PouchesDescriptionCat. No.Quantity 4000mg anhydrous magnesium sulfate, 1000mg sodium chloride60105-34050 Pack6000mg anhydrous magnesium sulfate, 1500mg sodium acetate (anhydrous)60105-34150 Pack6000mg anhydrous magnesium sulfate, 1500mg sodium chloride60105-342 50 Pack6000mg anhydrous magnesium sulfate, 1500mg sodium chloride,1500mg sodium citrate dihydrate, 750mg disodium citrate sesquihydrate60105-343 50 Pack 4000mg anhydrous magnesium sulfate, 1000mg sodium chloride,500mg sodium citrate dibasic sesquihydrate, 1000mg sodium citrate tribasic60105-344 50 Pack 1200mg sodium chloride60105-34550 Pack4000mg sodium sulfate and 500mg anhydrous magnesium sulfate60105-34650 Pack4000mg anhydrous magnesium sulfate, 1000mg sodium chloride,1500mg sodium citrate dibasic dihydrate60105-347 100 Pack 4000mg anhydrous magnesium sulfate, 2000mg sodium chloride,1500mg sodium citrate dibasic dihydrate60105-348 100 Pack Each pack contains sorbents packaged in mylar pouches (no centrifuge tubes provided) HyperSep Dispersive SPE Clean-Up ProductsDescriptionCapacity (mL)Cat. No.(100 Pack)Cat. No.(10 Pack)150mg anhydrous magnesium sulfate, 50mg PSA, 50mg GCB260105-20260105-302 150mg anhydrous magnesium sulfate, 50mg PSA260105-20360105-303150mg anhydrous magnesium sulfate, 50mg PSA, 50mg C18260105-20460105-304 150mg anhydrous magnesium sulfate, 25mg PSA260105-21960105-319150mg anhydrous magnesium sulfate, 25mg PSA, 25mg C18260105-22060105-320 150mg anhydrous magnesium sulfate, 25mg PSA, 2.5mg GCB260105-22160105-321150mg anhydrous magnesium sulfate, 25mg PSA, 7.5mg GCB260105-22260105-322150mg anhydrous magnesium sulfate, 50mg PSA, 50mg C18, 50mg GCB260105-22360105-323150mg anhydrous magnesium sulfate, 50mg PSA, 50mg chlorofiltr™ 260105-232 -150mg anhydrous magnesium sulfate, 150mg PSA2-60105-350 DescriptionCapacity(mL)Cat. No. (100Pack)Cat. No. (10Pack)900mg anhydrous magnesium sulfate, 300mg PSA, 150mg GCB1560105-205 60105-305900mg anhydrous magnesium sulfate, 300mg PSA, 150mg C181560105-20660105-306750mg anhydrous magnesium sulfate, 250mg PSA, 250mg C18, 250mg GCB1560105-21360105-313900mg anhydrous magnesium sulfate, 300mg PSA1560105-21460105-314 900mg anhydrous magnesium sulfate, 150mg PSA1560105-21560105-315900mg anhydrous magnesium sulfate, 150mg PSA, 45mg GCB1560105-217 60105-317900mg anhydrous magnesium sulfate, 150mg PSA, 15mg GCB1560105-21860105-3181200mg anhydrous magnesium sulfate, 400mg PSA15 60105-22460105-3241200mg anhydrous magnesium sulfate, 400mg PSA, 400mg C181560105-22560105-3251200mg anhydrous magnesium sulfate, 400mg PSA, 400mg C18, 400mg GCB1560105-22660105-326900mg anhydrous magnesium sulfate, 150mg PSA, 150mg C181560105-22760105-327150mg anhydrous magnesium sulfate, 50mg PSA, 50mg GCB1560105-23060105-330150mg anhydrous magnesium sulfate, 300mg PSA, 150mg chlorofiltr1560105-231 60105-3311200mg anhydrous magnesium sulfate, 900mg PSA1560105-235–4000mg anhydrous magnesium sulfate, 1000mg sodium chloride, 1000mg sodiumcitrate tribasic dihydrate, 500mg sodium citrate dibasic sesquihydrate15 60105-236–150mg anhydrous magnesium sulfate, 150mg PSA, 50mg C181560105-238 –Each pack contains centrifuge tubes pre-packed with sorbents HomogenizersDescriptionCat. No.QuantityHomogenizers for 15mL QuEChERS tubes60106-42150 PackHomogenizers for 50mL QuEChERS tubes60106-42250 Pack HyperSep Dispersive SPE Clean-Up Products for Schenck MethodDescriptionCapacity(mL)Cat. No.Quantity400mg PSA on bottom, 200mg GCB on top, separated by a frit660105-20730 Pack500mg PSA on bottom, 250mg GCB on top, separated by a frit6