Du søkte etter: Mass+Spectrometry

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: (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: (04487-100MG)

Produsent: Merck

Beskrivelse: Bisphenol E may be used as a reference standard in the determination of bisphenol E in beverages using on-line solid-phase extraction with fast liquid chromatography coupled with tandem mass spectrometry (on-line SPE fast LC-MS/MS).

UOM: 1 * 100 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: (18996-50MG)

Produsent: Merck

Beskrivelse: 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

Tilbud

Artikkenummer: (90243-100ML)

Produsent: Merck

Beskrivelse: Multi-element standard solution 1 has been used in the analysis of pollutants like trace elements in water using total reflection x-ray fluorescence (TXRF) method and inductively coupled plasma mass spectrometry(ICP-MS).

UOM: 1 * 100 mL

Sertifikater Tilbud

Artikkenummer: (510-1379)

Produsent: Retsch GmbH

Beskrivelse: The Retsch analytical air jet sieve shaker is particularly suitable for dispersion and deagglomeration of fine powders. Typical applications include construction materials, flour, spices, plastics and pharmaceuticals. The evaluation software EasySieve® can be used for automated evaluation and documentation.

UOM: 1 * 1 Items

Tilbud

Artikkenummer: (APOSPC7952-1G)

Produsent: Apollo Scientific

Beskrivelse: Fluorinated mass marker up to mass 1600

UOM: 1 * 1 g

Tilbud

Produsent: Apollo Scientific

Beskrivelse: Fluorinated mass marker up to mass 443

Artikkenummer: (33981-100MG-R)

Produsent: Merck

Beskrivelse: Febantel might be utilised as a source of reference standard in the determination of febantel in samples of animal feed and pharmaceutical formulations, using high performance liquid chromatography (HPLC) and high performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS-MS).

UOM: 1 * 100 mg

Tilbud

Artikkenummer: (PIER20673)

Produsent: Thermo Fisher Scientific

Beskrivelse: Thermo Scientific Pierce Dimethylformamide (DMF) is a sequencing-grade preparation with high purity and consistent absorptivity properties for use in HPLC and mass spectrometry methods.

UOM: 1 * 50 mL

Tilbud

Artikkenummer: (PERCN5330319)

Produsent: PerkinElmer

Beskrivelse: Calibration supplies for DMA 8000.

UOM: 1 * 1 Items

Tilbud

Produsent: DGP INTELSIUS

Beskrivelse: The BioTherm Dry Ice range is designed forthe safe transportation of deep frozen samples to IATA, ADR and DOT (49 CFR) transportregulations. The systems offer a variety of options for the safe transit of Category B shipments, as complete systems or as overpacks.

New Product

Artikkenummer: (786-680)

Produsent: G-Biosciences

Beskrivelse: Protein-OUT™ is a washing solution that cleans plastic and glassware used in the proteolytic digestion and peptide isolation for mass spectrometry analysis. The rinsing of plastic and glassware with Protein-OUT™ will remove interfering chemicals and peptides that can leach from the tube walls and interfere or suppress the mass spectrometry signal. In addition, rinsing with Protein-OUT™ removes inadvertent contamination with dust and keratin.

UOM: 1 * 50 mL

Tilbud

Artikkenummer: (40662-100MG)

Produsent: Merck

Beskrivelse: 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

Tilbud

Artikkenummer: (55901-25MG)

Produsent: Merck

Beskrivelse: Ecamsule (ECAM) has been used as a reference standard for observing the photo-stability and photo-sensitizing property of the ecamsule that forms a major ingredient in the production of sunscreen products by laser flash photolysis and steady-state HPLC coupled with mass spectrometry method.

UOM: 1 * 25 mg

Tilbud