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Image Unavailable-36372-50MG

Supelco® TraceCERT® Organic Reference Standard, Tebufenpyrad

Catalog Number: (36372-50MG)
Supplier: 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
Image Unavailable-33981-100MG-R

Pesticide reference standard, Febantel, VETRANAL(TM), analytical standard, Supelco®

Catalog Number: (33981-100MG-R)
Supplier: Merck
Description: 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
Image Unavailable-32538-100MG

Pesticide reference standards, Pyridaphenthion, PESTANAL®, analytical standards, Supelco®

Catalog Number: (32538-100MG)
Supplier: Merck
Description: 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
Image Unavailable-19000-50MG

Supelco® TraceCERT® Organic Reference Standard, Monolinuron

Catalog Number: (19000-50MG)
Supplier: Merck
Description: 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
Product Image-SGEA009920

Jumbo syringes

Supplier: Trajan Scientific and Medical
Description: These syringes are ideal for calibration of medical equipment such as respirators and spirometers, and for stack and air sampling.

Product Image-HI71-25-015-15

Avantor® Hichrom HI-DEX DMT Beta, GC Columns

Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Product Image-HI74-25-025-15

Avantor® Hichrom HI-DEX G-01, GC Columns

Supplier: Avantor
Description: Unique selectivity for the separation of enantiomers. Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Image Unavailable-57063.

SPE tubes, Supelclean™ ENVI-18, Supelco®

Supplier: Merck
Description: This Reversed phase Supelclean™ ENVI-18 are suitable for excellent for cleaning, extracting and concentrating pollutants from aqueous environmental sample (drinking, ground, waste water). Also suitable for extracting herbicides, fungicides and pesticides from waste material.

Product Image-HI67-25-015-15

Avantor® Hichrom HI-DEX DAC Gamma, GC Columns

Supplier: Avantor
Description: Useful for the analysis of chiral compounds in fragrances, pesticides and pharmaceuticals in which the determination of the ratio of enantiomers in a sample is necessary.

Image Unavailable-78069-25MG

Organic reference standard, 2,5-Dihydroxybenzoic acid, analytical standard, Supelco®

Catalog Number: (78069-25MG)
Supplier: Merck
Description: 2,5-Dihydroxybenzoic acid may be used as a reference standard in the determination of 2,5-dihydroxybenzoic acid in biopsy samples using high-performance liquid chromatography coupled with electrochemical detector.
UOM: 1 * 25 mg
Image Unavailable-24255.

Capillary columns, traditional phases, SPB-624, Supelco®

Supplier: Merck
Description: This column is specially designed for purge-and-trap analyses of volatile halogenated, non-halogenated, and aromatic contaminants from environmental samples.

Image Unavailable-44189-50MG

Organic reference standard, Isoamyl 4-methoxycinnamate, analytical standard, Supelco®

Catalog Number: (44189-50MG)
Supplier: Merck
Description: Isoamyl 4-methoxycinnamate may be used as a reference standard in the determination of isoamyl 4-methoxycinnamate in water samples using liquid chromatography coupled with ultraviolet spectrophotometry detector (LC-UV).
UOM: 1 * 50 mg
Product Image-AS-69-2203-380

VWR® RediSep® RF, Disposable columns

Catalog Number: (AS-69-2203-380)
Supplier: VWR Chemicals
Description: RediSep® Rf disposable, bare silica columns for flash purification of organic compounds are the benchmark for normal phase separations. This high quality media is specified for high resolution and reproducibility for everyday purifications.
UOM: 1 * 12 items
Image Unavailable-24028.

Capillary columns, traditional phases, SPB-1, Supelco®

Supplier: Merck
Description: These non-polar methyl silicone bonded poly(dimethyl siloxane) columns are used to separate the sample components according to boiling point.

Image Unavailable-93742-1G

Pentafluorophenylhydrazine ≥98.0% (by GC), LiChropur™ derivatisation reagent, for HPLC, Supelco®

Catalog Number: (93742-1G)
Supplier: Merck
Description: 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.
UOM: 1 * 1 g
Image Unavailable-92446-5ML

Sodium methoxide 0,5 M for gas chromatography, Sigma-Aldrich®

Catalog Number: (92446-5ML)
Supplier: Merck
Description: Sodium methoxide may be used as a derivatisation reagent to enhance the sensitivity of detection for the subsequent determination of organonitrogen herbicides and fungicide analytes in food samples, and bound fatty acids from acylglycerols, alkylacylglycerols, galactosyldiacylglycerols, glycerophospholipids, and sterol esters by gas chromatography (GC) based techniques.
UOM: 1 * 5 mL

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