Beschrijving
CHROMABOND QuEChERS Mix I (6.5 g) is een gebruiksklaar citrate-extractiezoutmengsel voor QuEChERS-monstervoorbereiding bij residu- en contaminantanalyse. Elke portie bevat 4000 mg MgSO4, 1000 mg NaCl, 500 mg Na2H-citrate · 1.5 H2O en 1000 mg Na3-citrate · 2 H2O, vooraf afgewogen in een 15 mL polypropylene centrifugebuis gesloten met een polyethylene deksel. Het gebufferde citratesysteem ondersteunt een gecontroleerde pH tijdens de extractiestap en wordt ruim toegepast op fruit-, groente- en andere voedingsmatrices vóór dispersieve SPE-opzuivering en chromatografische bepaling. Geleverd in verpakkingen van 50 buizen van fabrikant Macherey-Nagel vermindert het formaat weegfouten en versnelt workflows met meerdere monsters in routinelaboratoria. De totale zoutbelasting van 6.5 g sluit aan bij gangbare citrate QuEChERS-protocollen en integreert rechtstreeks met standaard 15 mL-centrifugeapparatuur. Dit extractiemengsel helpt laboratoria de eerste fase van multiresidumethoden te standaardiseren en tegelijk een consistente zoutsamenstelling van monster tot monster te handhaven.
Dit artikel maakt deel uit van SPE-cartridges & kolommen, in SPE & monstervoorbereiding.
Kenmerken
- Verpakkingsgrootte: 50 stuks
- Producttype: QuEChERS citrate-extractiemengsel I
- Samenstelling: 4000 mg MgSO4, 1000 mg NaCl, 500 mg Na2H-citrate · 1.5 H2O, 1000 mg Na3-citrate · 2 H2O
- Totale zoutmassa: 6.5 g per buis
- EAN: 4046681068652
- Technisch datablad:
- Veiligheidsinformatieblad:
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Questions about Chromab. QuEChERS Mix I (6.5 g)
What is this article?
Chromab. QuEChERS Mix I (6.5 g) 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.
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