Du søkte etter: Mass+Spectrometry

Artikkenummer: (36372-50MG)

Produsent: Merck

Beskrivelse: 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

Tilbud

Artikkenummer: (45634-50MG)

Produsent: Merck

Beskrivelse: Promecarb may be used as a reference standard for the determination of promecarb in water by solid-phase extraction and liquid chromatography coupled with ionspray mass spectrometry.

UOM: 1 * 50 mg

Tilbud

Artikkenummer: (41397-100MG)

Produsent: Merck

Beskrivelse: Tebutam CRM may also be used as given below:
Optimisation of sample extraction based on QuEChERS and dispersive-solid-phase extraction (d-SPE) clean-up for the multi-residue analysis of 120 pesticides 16 polycyclic aromatic hydrocarbons and 22 polychlorinated biphenyls by liquid and gas chromatography coupled with tandem mass spectrometry (MS/MS)
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)
Determination of 90 pesticides 16 polycyclic aromatic hydrocarbons and 22 polychlorinated biphenyls in honey samples by using QuEChERS combined with dispersive solid-phase extraction (SPME) for sample pre-treatment and liquid chromatography-triple-quadrupole tandem mass spectrometry and gas chromatography-ion-trap tandem mass spectrometry for quantitation
Screening and quantification of 569 pesticides in honeysuckle samples by a combination of ultrahigh-performance liquid chromatography (UHPLC) and quadrupole-Orbitrap high-resolution mass spectrometry
Simultaneous determination of 134 pesticide residues in tea samples using d-SPE extraction with a multi-functional filter (MFF) followed by ultra-high performance liquid chromatography (UPLC) and quadrupole time-of-flight mass spectrometry (TOF-MS).

UOM: 1 * 100 mg

Tilbud

Artikkenummer: (19000-50MG)

Produsent: Merck

Beskrivelse: 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

Tilbud

Artikkenummer: (75034-100MG)

Produsent: Merck

Beskrivelse: 2,3-Hexanedione can be used as an internal standard for the quantitative determination of methylglyoxal present in the tissues of Sprague-Dawley rats using electrospray ionization liquid chromatography coupled with mass spectrometry(ESI/LC/MS).

UOM: 1 * 100 mg

Tilbud

Artikkenummer: (MSCAL1-5X1KT)

Produsent: Merck

Beskrivelse: This kit features a convenient selection of pre-qualified standard peptides, proteins, matrices, and solvents for calibrating and testing matrix assisted laser desorption ionisation (MALDI) mass spectrometers.

UOM: 1 * 5 Items

Tilbud

Artikkenummer: (90568-10MG)

Produsent: Merck

Beskrivelse: Used as a reference standard in determination of fenofibric acid in samples of human plasma using high performance liquid chromatography (HPLC) and liquid chromatography coupled with tandem mass spectrometry (LC-MS-MS).

UOM: 1 * 10 mg

Tilbud

Produsent: Avantor

Beskrivelse: For use in liquid chromatography and mass spectrometry.

HMS Sertifikater

Artikkenummer: (32834-10MG)

Produsent: Merck

Beskrivelse: Leucocrystal violet-d₆ might be used as an internal standard in the determination of triphenylmethane dyes in rainbow trout samples using liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS).

UOM: 1 * 10 mg

Tilbud

Artikkenummer: (TCIAP1034-5G)

Produsent: TCI

Beskrivelse: Perfluorokerosene, super-high boiling for mass spectrometry

UOM: 1 * 5 g

Tilbud

Artikkenummer: (03565-1EA)

Produsent: Merck

Beskrivelse: MALDI Standards are suitable for the validation and comparison of MALDI-ToF instruments. Certificates provide MALDI spectra including Mw, Mn and Mp values of select narrow polymers, which differ in molar mass.

UOM: 1 * 1 Items

Tilbud

Artikkenummer: (32538-100MG)

Produsent: Merck

Beskrivelse: 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

Tilbud

Artikkenummer: (32758-1ML)

Produsent: Merck

Beskrivelse: Zearalenone-¹³C₁₈ may be used as an analytical standard for the determination of zearalenone in animal feed by liquid chromatography combined with tandem mass spectrometry (LC-MS/MS).

UOM: 1 * 1 mL

Tilbud

Produsent: Merck

Beskrivelse: 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.

Artikkenummer: (34217-10MG)

Produsent: Merck

Beskrivelse: Ronidazole-d₃ may be used internal standard in the determination of avermectins, benzimidazoles and nitroimidazoles residues in bovine muscle tissue using ultra-high performance liquid chromatography coupled with mass spectrometry (UHPLC/MS-MS).

UOM: 1 * 10 mg

Tilbud

Artikkenummer: (TCIAP0690-10G)

Produsent: TCI

Beskrivelse: Perfluorokerosene, low boiling for mass spectrometry

UOM: 1 * 10 g

Tilbud