Du sökte efter: Chromatography+Sample+Loops


70 246  results were found

SearchResultCount:"70246"

Sort Results

Visa lista Easy View (ny)

Ge feedback på sökresultat

Leverantör: Simport Scientific
Beskrivning: Screw caps with lip seal and loop, PP, Färg: Lilac

Leverantör: IDEX RHEODYNE
Beskrivning: RheFlex® tube fittings provide inert, non-metal connections, and can be used with all Rheodyne injectors, valves and sample loops.

Ny och förbättrad lagerstatus

Har du märkt vår nya förbättrade synlighet på lagerplatser vid utcheckning?

Ta reda på mer

Förbättrad synlighet på lagerplats.

Leverantör: Merck
Beskrivning: SPME-GC inlet liners are designed for optimum sample introduction for specific injection techniques that are suitable for Agilent, Perkinelmer, Shimadzu, Finnigan, Varian and Thermo scientific equipped with split/splitless inlets.

Artikel nummer : (560-0168)
Leverantör: UPCHURCH SCIENTIFIC
Beskrivning: The 6-port medium pressure injection valves feature easy, external sample loop customisation. Simply clean-cut a piece of tubing that represents the volume of sample you wish to inject, taking into account the port-to-port volume of the valve.
UOM: 1 * 1 Items


Artikel nummer : (LOVI471170)
Leverantör: Lovibond
Beskrivning: Easily monitor nitrite levels in closed-loop cooling systems with this liquid reagent. Proper control of nitrite levels prevents pipework corrosion. This easy-to-use colourimetric method test can monitor high levels (up to 2,500 mg/L) of nitrite without the need to dilute samples.
UOM: 1 * 500 mL

New Product


Artikel nummer : (18996-50MG)
Leverantör: Merck
Beskrivning: Metrafenone CRM may also be used in the residue analysis of: 209 pesticides and persistent organic pollutants (POPs) extracted by QuEChERS-based procedure from fresh bovine and chicken liver samples using gas chromatography coupled to tandem mass spectrometry (GC-MS/MS). 252 pesticides extracted from surface water samples by solid-phase extraction (SPE) using liquid chromatography quadrupole-orbitrap high-resolution tandem mass spectrometry. 250 pesticide residues extracted by QuEChERS method from 103 processed fruit samples using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). 379 pesticides in human serum samples extracted by QuEChERS method using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Metrafenone in nine fresh vegetable samples using matrix solid-phase dispersion (MSPD) and HPLC-UV. Metrafenone in bitter gourd and soil samples using gas chromatography combined with an electron capture detector (GC-ECD).
UOM: 1 * 50 mg


Leverantör: Corning
Beskrivning: These caps are compatible with all Axygen Scientific screw top microcentrifuge tubes, including both skirted and nonskirted variations of the 0,5 ml, 1,5 ml, and 2 ml microcentrifuge tubes.

Artikel nummer : (36372-50MG)
Leverantör: Merck
Beskrivning: Profenofos CRM may also be used as given below: Evaluation of 250 pesticide residues extracted by QuEChERS method from 103 processed fruit samples using ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS. Gas chromatography-tandem mass spectrometry (GC-MS/MS) based analysis of 213 pesticide residues in soybean after their extraction by QuEChERS procedure. Detection of 252 pesticides extracted from surface water samples by solid-phase extraction (SPE) using liquid chromatography quadrupole-orbitrap high-resolution tandem mass spectrometry. Multi-residue analysis of 160 multiclass pesticides using ethyl acetate (EtAC)/n. hexane mixture for extraction from chamomile thyme and marjoram samples and their analysis by gas chromatography-tandem mass spectrometry (GC-MS/MS). Simultaneous determination of 34 pesticides in various environmental water samples by dispersive liquid-liquid microextraction (DLLME) technique in combination with gas chromatography-mass spectrometry(GC-MS/MS). Quantitation of 40 multi-class insecticides and fungicides in 81 apple samples by using gas- and liquid- chromatography-mass following a QuEChERS-based extraction.
UOM: 1 * 50 mg


Artikel nummer : (40662-100MG)
Leverantör: Merck
Beskrivning: Simazine CRM may also be used as given below: Development and validation of an ultrasonic-assisted dispersive liquid-liquid microextraction (UA-DLLME) method for sample extraction followed by gas chromatography-mass spectrometry based determination of endocrine-disrupting herbicides in the river and seawater samples. Determination of triazine pesticide residues in samples of apples pears carrots potatoes tomatoes avocado cucumber spinach bananas and oranges by modified QuEChERS and solid-phase extraction (SPE) procedures followed by liquid chromatography-photodiode array (LC-DAD) analysis. Multi-residue analysis of 67 pesticides in olive oil olives and avocado samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) to evaluate various clean-up sorbents. Quantitation of 20 pesticides in eel and shrimp samples by a scheduled multiple reaction monitoring (sMRM) method and QuEChERS with EDTA for sample extraction and purification. Analysis of 35 micropollutants including pesticides in water samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) after their solid-phase extraction. Simultaneous quantification of 58 pharmaceuticals and personal care products (PPCPs) and pesticides in water samples by solvent-based de-emulsification dispersive liquid-liquid microextraction (SD-DLLME) combined with liquid chromatography-tandem mass spectrometry (LCMS/MS).
UOM: 1 * 100 mg


Artikel nummer : (19000-50MG)
Leverantör: Merck
Beskrivning: Monolinuron CRM may also be used as given below: Determination of 252 pesticides extracted from surface water samples by solid-phase extraction (SPE) using liquid chromatography quadrupole-orbitrap high-resolution tandem mass spectrometry. Extraction of 13 pesticides from four groundwater and three river water samples using silica-based MSU-1 mesoporous solid as a sorbent for their solid-phase extraction (SPE) followed by ultra-performance liquid chromatography-triple quadrupole-mass spectrometric (UHPLC- QqQ-MS/MS) determination. Development and validation of a UHPLC-diode array detection (DAD) method for simultaneous determination of urea and tebuthiuron herbicides in four fresh vegetable samples. Multi-residue analysis of 50 herbicides in 51 grain samples of soybean corn and wheat by ultra-performance liquid chromatography-electrospray ionisation-mass spectrometry (UPLC-ESI-MS). Extraction of 109 pesticide residues from different chemical classes from 345 tomato samples by modified QuEChERS method and their determination using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Simultaneous analysis of 238 pesticides and 78 veterinary drugs in 80 bovine milk samples using ultra-fast liquid chromatography-tandem mass spectrometry (UFLC-MS/MS) and gas chromatography-tandem mass spectrometry (GC-MS/MS).
UOM: 1 * 50 mg


Artikel nummer : (32666-10MG)
Leverantör: Merck
Beskrivning: Melamine-¹³C₃ may be used as an analytical standard for the determination of melamine in milk powder samples by liquid chromatography-electrospray ionisation-isotope dilution mass spectrometry (LC-ESI-IDMS).
UOM: 1 * 10 mg


Artikel nummer : (32538-100MG)
Leverantör: Merck
Beskrivning: Pyridaphenthion may be used as a reference standard for the quantification of pyridaphenthion in biological samples using liquid chromatography-atmospheric pressure chemical ionisation mass spectrometry.
UOM: 1 * 100 mg


Artikel nummer : (93742-1G)
Leverantör: Merck
Beskrivning: Pentafluorophenylhydrazine may be used as a derivatizing agent in the determination of semi-volatile carbonyl compounds in air and human plasma samples, using high-resolution gas chromatography coupled with gas chromatography (HRGC-MS) and liquid chromatography atmospheric-pressure chemical-ionization mass spectrometry (LC-APCI-MS-MS), respectively.
UOM: 1 * 1 g


Leverantör: IDEX RHEODYNE
Beskrivning: Manuella provinjektorer med två lägen, 'ladda' och 'injicera'. I läget 'ladda' kan provet laddas i provloopen eller provkammaren. Vanligen används en spruta för att ladda provet i provinjektorn. När provet har laddats roteras provinjektorns handtag manuellt till läget 'injicera' då det laddade provet går på kolonn.

Leverantör: Merck
Beskrivning: These LpDNPH cartridges are suitable for sampling carbonyls in ambient, indoor, and industrial atmospheres. The derivatives are eluted from the cartridge in acetonitrile and are analysed by HPLC.

Leverantör: VWR Collection
Beskrivning: The newly developed ChromAssist Data Station combines the proven intuitive structure of the Hitachi software family with an innovative new design. As a chromatography data system (CDS), ChromAssist contains all the necessary functions for controlling VWR® Hitachi HPLC and UHPLC instruments, including method creation, sample table, data integration and reporting.

Fråga efter pris
Lager för denna produkt är begränsat, men kan vara tillgänglig i ett lager nära dig. Se till att du är inloggad på hemsidan så att tillgängligt lager kan visas. Om call fortfarande visas och du behöver hjälp, ring oss på 08-621 34 20.
Lager för denna produkt är begränsat, men kan vara tillgänglig i ett lager nära dig. Se till att du är inloggad på hemsidan så att tillgängligt lager kan visas. Om call fortfarande visas och du behöver hjälp, ring oss på 08-621 34 20.
VWR International AB säljer bara etanol till skattebefriade kunder. Denna produkt ä reglerad enligt svensk lagstiftning. Om ytterligare information krävs av dig kommer du att kontaktas via e-post.
VWR International AB säljer bara etanol till skattebefriade kunder.
Denna produkt ä reglerad enligt svensk lagstiftning. Om ytterligare information krävs av dig kommer du att kontaktas via email.
Produkten har blockerats av din organisation. Vänligen kontakta din inköpsavdelning för mer information.
Lösenordet och säkerhetsfrågan associerade med ditt Kundnummer har gått ut. Vänligen ändra ditt lösenord och din säkerhetsfråga.
Denna produkt är inte längre tillgänglig. Alternativ kan vara tillgängliga genom att söka med VWR art.nr ovan. Om du behöver ytterligare hjälp, ring VWR Kundservice på 08-621 34 20.
33 - 48 of 70 246
no targeter for Bottom