Beschrijving
CHROMABOND QuEChERS Mix I (13 g), BIG is een citrate-extractiezoutmengsel voor QuEChERS-monstervoorbereiding in residuanalyse van voeding en landbouw. Elk vooraf afgewogen portie combineert 8000 mg MgSO4, 2000 mg NaCl, 1000 mg Na2H-citrate·1.5 H2O en 2000 mg Na3-citrate·2 H2O, afzonderlijk gevuld in centrifugebuizen van polypropyleen van 15 mL met deksels van polyethyleen. Het gebufferde citrate-mengsel ondersteunt de extractiestap van QuEChERS-workflows waarin gecontroleerde ionsterkte en droogcapaciteit de fasescheiding en de analyterecovery verbeteren. De buizen zijn verpakt in twee zakken van 50, goed voor 100 gebruiksklare eenheden per verpakking voor laboratoria met hogere doorvoer. Aangeboden door fabrikant Macherey-Nagel, vermindert dit BIG Mix I-formaat weegfouten en versnelt het de batchvoorbereiding in vergelijking met bulkzouten. De geometrie van de PP-buis van 15 mL past in standaard centrifugerootors die in residulaboratoria worden gebruikt en helpt de eerste extractiefase te standaardiseren vóór dispersieve SPE-opzuivering.
Dit artikel maakt deel uit van SPE-cartridges & kolommen, in SPE & monstervoorbereiding.
Kenmerken
- Verpakkingsgrootte: 100 stuks (2 zakken van 50)
- Producttype: CHROMABOND QuEChERS Mix I citrate-extractiemengsel
- Samenstelling: 8000 mg MgSO4, 2000 mg NaCl, 1000 mg Na2H-citrate·1.5 H2O, 2000 mg Na3-citrate·2 H2O
- Vulmassa: 13 g per buis
- EAN: 4046681108716
- Technisch datablad:
- Veiligheidsinformatieblad:
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Questions about Chromab. QuEChERS Mix I (13 g), BIG
What is this article?
Chromab. QuEChERS Mix I (13 g), BIG is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in SPE-cartridges & kolommen, inside SPE & monstervoorbereiding, in Chromatografie.
An SPE cartridge holds a bed of sorbent. Bed mass, sorbent chemistry and volume are the specification. A 100 mg C18 cartridge and a 1 g C18 cartridge take different sample loads and different elution volumes. The method names all three.
Solid-phase extraction holds a compound on a sorbent while the rest of the sample is washed away, then releases it in a small volume. The sorbent, the bed mass and the solvents are the method. Silica, ion exchangers and polymer phases do different jobs. A flash column is the same idea scaled toward purification rather than trace cleanup. The molecules are on PubChem, named by IUPAC.
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The category is SPE & monstervoorbereiding. The sub-category is SPE-cartridges & kolommen. The catalogue is Chromatografie.
Shelves beside this one are Sorbentia, silicagel & ionenwisselaars and Flash-, lege & glazen chromatografiekolommen.
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