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Single-use+Temperature+Sensor
Numéro de catalogue:
(CRM18917)
Fournisseur:
Merck
Description:
This certified reference material is useful for determining relative retention times and approximating response factors.
UOM:
1 * 100 mg
Numéro de catalogue:
(48479.)
Fournisseur:
Merck
Description:
ASTM® D5307 crude oil internal standard has been used in the quantitative determination of diamondoid compounds like adamantane in specific organic solvents like dichloromethane, hexane, carbon-tetrachloride, hexane , heptadecane, hexadecane, pentadecane and tetradecane, using infrared attenuated total reflection spectroscopy (IR-ATR).
UOM:
1 * 1 ST
Numéro de catalogue:
(45634-50MG)
Fournisseur:
Merck
Description:
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
Numéro de catalogue:
(36372-50MG)
Fournisseur:
Merck
Description:
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
Numéro de catalogue:
(905-10CAP-S)
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
Naphthol AS-D chloroacetate can be used as laboratory chemicals, manufacture of substances.
UOM:
1 * 10 ST
Fournisseur:
MP Biomedicals
Description:
Storage: Store at Room Temperature (15-30 °C).
Ethylenediamine Tetraacetic Acid is a polyamino carboxylic acid hexadentate ligand and a chelating agent. This product is designated as Molecular Biology grade and is suitable for molecular biology applications. Ethylenediamine Tetraacetic Acid is a chelator of divalent cations. It also inhibits enzymes, such as metalloproteases, that require divalent cations for activity.
Numéro de catalogue:
(862-10ML)
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
For use with Sigma kit 86R, for the demonstration of alkaline phosphatase in granulocytes. The procedure is often referred to as the LAP procedure.
UOM:
1 * 10 mL
Fournisseur:
EUTECH
Description:
The CyberScan pH 600 series enables a wireless and cable-free data transfer with infrared IrDA technology. Data can be simply sent from the meter to a PC with the press of a button.
Numéro de catalogue:
(18137-25MG)
Fournisseur:
Merck
Description:
Ponceau 4R is a synthetic red azo dye and is used as a food colorant. It is used in range of alcoholic and non-alcoholic beverages, food stuffs, preserved fruits and more. It exists as trisodium-2-hydroxy-1-(4-sulfonato-1-naphthylazo)-6,8-naphthalenedisulphonate.
UOM:
1 * 25 mg
Fournisseur:
Merck
Description:
1M Buffer, also for use in ion-exchange chromatography and electrophoresis.
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
Azomethine-H is used as a color development agent. It is used for the determination of boron, mainly in soil samples. Azomethine-H monosodium salt hydrate has been used for the colorimetric determination of boron in soil and plants.
Numéro de catalogue:
(861030-25G)
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
Auramine O has been used to study the cuticle/cutin in the epidermis of the pollen presenter in Vangueria infausta. Auramine O is used for the staining of acid-fast organisms, coccidia. Auramine O along with carbol generates brilliant yellow fluorochrome of tubercle bacilli. It is effective in detecting positive cases of tuberculosis. Auramine O binds to the mycolic acid in the bacterial cell wall. Certified for use by fluorescence microscopy in Churukian′s modification of Truant′s fluorescent method for acid fast bacilli on paraffin sections.
UOM:
1 * 25 g
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
m-cresol purple sodium salt (MCP) is a colorimetric pH indicator dye. The dye is blue in anionic form and yellow in protonated form. It has been used to measure pH of seawater using a spectrophotometer.
Numéro de catalogue:
(10358.)
Fournisseur:
Merck
Description:
Amberlite XAD4, a nonpolar absorbent, used for stripping and concentration of organic compounds. It is also used in developing chelating ligands due to its properties like, porosity, high surface area, purity and durability.
UOM:
1 * 1 ST
Numéro de catalogue:
(D4292-20MG)
Fournisseur:
SIGMA ALDRICH MICROSCOPY
Description:
3,3′-Dioctadecyloxacarbocyanine perchlorate has been used for lipid bilayer labeling in antigen-presenting cells. It has also been used as a lipophilic dye for labeling in zebrafish embryos.
UOM:
1 * 20 mg
Numéro de catalogue:
(39116-10MG)
Fournisseur:
Merck
Description:
The tricyclazole CRM may also find the following uses: Determination of tricyclazole content in paddy rice using sliver colloid as a substrate and pyridine as an internal standard by surface-enhanced Raman spectroscopy (SERS). To detect residues of tricyclazole and thiram in pear fruit extracts using SERS. Dissipation studies of penoxsulam tricyclazole and profoxydim in rice paddy systems using HPLC-Diode Array Detection (DAD). Determination of tricyclazole residues in rice using liquid chromatography-tandem mass spectrometry (LC-MS/MS) along with the QuEChERS method of sample preparation. Degradation of tricyclazole (TC) in an aqueous solution and real pesticide industry wastewater (RPW) by electron beam (EB) radiation.
UOM:
1 * 10 mg
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est toujours affiché et vous avez besoin d'aide, s'il vous plaît appelez-nous au 016 385 011
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