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: (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: (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: (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

Artikkenummer: (32666-10MG)

Produsent: Merck

Beskrivelse: 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

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: (TCIAP1061-5G)

Produsent: TCI

Beskrivelse: Perfluorokerosene 50% PFK low boiling, boiling_super_hight Mass spectrometry

UOM: 1 * 5 g

Tilbud

Produsent: TCI

Beskrivelse: Tris(perfluorobutyl)amine >60.0% GC_ASSAY_METHOD Mass spectrometry

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

Produsent: SIGMA ALDRICH MICROSCOPY

Beskrivelse: Tartrazine may be used as a reference standard in the determination of tartrazine in food samples using ion-pair liquid chromatography coupled with photodiode-array and electrospray mass spectrometry detector.

Sertifikater

Artikkenummer: (56451-250MG)

Produsent: Merck

Beskrivelse: 1,5-Diaminonaphthalene is used as an effective matrix in the analysis of IgG protein using top-down and middle-down mass spectrometry with multiple fragmentation techniques such as electron transfer dissociation (ETD) and matrix-assisted laser desorption ionization in-source decay (MALDI-ISD) method.

UOM: 1 * 250 mg

Tilbud

Produsent: Apollo Scientific

Beskrivelse: Mass spectrometry standard.

Artikkenummer: (906-0106)

Produsent: VWR Collection

Beskrivelse: Agilent OpenLab CDS is the next generation chromatography data system, designed for ease of use and productivity. OpenLab CDS offers the most comprehensive instrument control and data acquisition for Hitachi HPLC and amino acid analysers. In addition, it supports an expanded array of instrumentation from other vendors, for example Agilent LC, GC and LC/MS. Whether you like to control a single instrument or a huge network of different analytical instruments, OpenLab CDS grows with your needs.

UOM: 1 * 1 Items

Tilbud

Produsent: Apollo Scientific

Beskrivelse: Fluorinated polyether for mass spectrometry up to mass 1960

Artikkenummer: (APOSPC7912-1G)

Produsent: Apollo Scientific

Beskrivelse: Mass Spectrometry standard

UOM: 1 * 1 g

Tilbud