Procurou por: Mass+Spectrometry

Código de Artigo: (40662-100MG)

Fornecedor: Merck

Descrição: 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

Promoção

Código de Artigo: (TCIAP1061-5G)

Fornecedor: TCI

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

UOM: 1 * 5 g

Promoção

Código de Artigo: (90243-100ML)

Fornecedor: Merck

Descrição: 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

Certificados Promoção

Código de Artigo: (36372-50MG)

Fornecedor: Merck

Descrição: 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

Promoção

Código de Artigo: (56451-250MG)

Fornecedor: Merck

Descrição: 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

Promoção

Fornecedor: TCI

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

Código de Artigo: (45634-50MG)

Fornecedor: Merck

Descrição: 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

Promoção

Código de Artigo: (55901-25MG)

Fornecedor: Merck

Descrição: 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

Promoção

Código de Artigo: (19000-50MG)

Fornecedor: Merck

Descrição: 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

Promoção

Fornecedor: SIGMA ALDRICH MICROSCOPY

Descrição: 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.

Código de Artigo: (906-0106)

Fornecedor: VWR Collection

Descrição: 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 unid.

Promoção

Código de Artigo: (APOSPC7912-1G)

Fornecedor: Apollo Scientific

Descrição: Mass Spectrometry standard

UOM: 1 * 1 g

Promoção

Fornecedor: Apollo Scientific

Descrição: Mass spectrometry standard.

Fornecedor: Apollo Scientific

Descrição: Mass spectrometry standard.

Código de Artigo: (75034-100MG)

Fornecedor: Merck

Descrição: 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

Promoção

Código de Artigo: (786-229)

Fornecedor: G-Biosciences

Descrição: Ultra pure proteomic grade water that is fully compatible with 2D electrophoresis and mass spectrometry analysis.

UOM: 1 * 1 L

Promoção