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Image Unavailable-40662-100MG

Supelco® TraceCERT® Organic Reference Standard, Simazine

Artikel nummer : (40662-100MG)
Leverantör: Merck
Beskrivning: 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
Image Unavailable-PROONMIAP1795

Organic reference standards, α-zearalenol (NMIA P1795)

Artikel nummer : (PROONMIAP1795)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: Purity estimate obtained by subtraction from 100% of total impurities by GC-FID, thermogravimetric analysis, Karl Fischer analysis and 1H NMR is 99,1 ± 1,4% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.
UOM: 1 * 5 mg
Image Unavailable-PROONMIAD914

Organic reference standards, cyclazadone (NMIA D914), Certified Reference Material (CRM)

Artikel nummer : (PROONMIAD914)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: The purity value obtained from a combination of traditional analytical techniques is 99,6 ± 1,4% mass fraction, (95% coverage interval). The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by GC-FID, thermogravimetric analysis, Karl Fischer analysis and 1H NMR and also supported by elemental microanalysis.
UOM: 1 * 10 mg
Image Unavailable-PROONMIAP1730

Organic reference standards, Vamidothion sulphone (NMIA P1730)

Artikel nummer : (PROONMIAP1730)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: Purity estimate obtained by subtraction from 100% of total impurities by HPLC with UV detection, thermogravimetric analysis, Karl Fischer analysis and 1H NMR analysis is 96,1 ± 4,0% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis and quantitative NMR using certified triphenylphosphine oxide as internal standard.
UOM: 1 * 25 mg
Image Unavailable-36372-50MG

Supelco® TraceCERT® Organic Reference Standard, Tebufenpyrad

Artikel nummer : (36372-50MG)
Leverantör: Merck
Beskrivning: 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-PROONMIAD621

Organic reference standards, 16β-hydroxystanozolol (NMIA D621), Certified Reference Material (CRM)

Artikel nummer : (PROONMIAD621)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: Purity estimate obtained by quantitative NMR against an internal standard of dimethyl sulphone is 84,6 ± 1,5% mass fraction, (95% coverage interval). Supporting evidence is provided by HPLC with UV detection, Karl Fischer analysis and theromogravimetric analysis.
UOM: 1 * 1 mg
Image Unavailable-PROONMIAP1796

Organic reference standards, β-zearalenol (NMIA P1796)

Artikel nummer : (PROONMIAP1796)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by HPLC with UV detection, Karl Fischer analysis, thermogravimetric analysis and 1H NMR is 99,3 ± 1,3% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.
UOM: 1 * 5 mg
Product Image-661-1006

Titrators, potentiometric and volumetric, Titroline® 7750

Leverantör: SI ANALYTICS
Beskrivning: The Titroline® 7750 is the all-rounder for both potentiometric titration and volumetric KF titration. The titrator combines the features of the potentiometric titrator TitroLine® 7000 and the volumetric Karl Fischer titrator TitroLine® 7500.

Image Unavailable-PROONMIAP1731

Organic reference standards, fipronil sulphone (NMIA P1731)

Artikel nummer : (PROONMIAP1731)
Leverantör: LGC Standards PROMOCHEM
Beskrivning: Purity estimate obtained from a combination of traditional analytical techniques is 99,3 ± 0,6% mass fraction, (95% coverage interval). The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by GC-FID, and Karl Fischer analysis. Supporting evidence is provided by elemental microanalysis and 1H NMR analysis.
UOM: 1 * 25 mg
Product Image-3931-01

L (+)-Dinatrium tartrate dihydrat 99.0-101.0%, kristaller, BAKER ANALYZED® ACS suitable for standardization of Karl Fischer reagents, J.T.Baker®

Leverantör: Avantor
Beskrivning: L (+)-Dinatrium tartrate dihydrat 99.0-101.0%, kristaller, BAKER ANALYZED® ACS suitable for standardization of Karl Fischer reagents, J.T.Baker®

Säkerhetsdatablad Certifikat

Product Image-HECH44267010

Dissolved oxygen bottles acc. to Winkler

Leverantör: GLASWARENFABRIK KARL HECHT
Beskrivning: Dissolved oxygen bottles acc. to Winkler, glass, clear, for the determination of oxygen dissolved in water.

Product Image-710-0747

Nutrient agar (DEV)

Artikel nummer : (710-0747)
Leverantör: DOEHLER GROUP
Beskrivning: Complex agar for the enumeration of the total plate count, e.g. in water as per DEV (Deutsche Einheitsverfahren - German standard published by DIN). The nutrient agar in accordance with DEV is suitable for cultivation and determining the total bacterial count of bacteria with average nutrient needs in water and foods.
UOM: 1 * 9 Items

Säkerhetsdatablad Certifikat


Image Unavailable-34724-6X1L

Formamid, torka, Hydranal™ solubilizer for Karl Fischer titration, Fluka™

Leverantör: Honeywell Chemicals
Beskrivning: Formamid, torka, Hydranal™ solubilizer for Karl Fischer titration, Fluka™

Säkerhetsdatablad Certifikat

Product Image-661-0239

Titrator, Karl Fischer, volumetric, TitroLine® 7800

Leverantör: SI ANALYTICS
Beskrivning: The Titroline® 7800 enhanced the universal features of the TitroLine® 7750 (potentiometric titration and volumetric KF titration), with an additional IDS measurement socket. Hence the TitroLine® 7800 is able to perform potentiometric titrations with analogue or IDS® electrodes as well as volumetric Karl Fischer titrations. The digital (IDS) measurement socket allows the connection of various digital sensors, such as for measuring of conductivity.

Image Unavailable-37866-6X1L

o-Xylen, Hydranal™ solubilizer for Karl Fischer titration, Fluka™

Leverantör: Honeywell Chemicals
Beskrivning: o-Xylen, Hydranal™ solubilizer for Karl Fischer titration, Fluka™

Säkerhetsdatablad Certifikat

Image Unavailable-1.10307.0500

Reagenssatser för protein- och fiberanalys, Supelco®

Artikel nummer : (1.10307.0500)
Leverantör: Merck
Beskrivning: Test kit, Protein (Biuret)
UOM: 1 * 500 mL

Säkerhetsdatablad Certifikat


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Lager för denna produkt är begränsat, men kan vara tillgänglig i ett lager nära dig. Se till att du är inloggad på hemsidan så att tillgängligt lager kan visas. Om call fortfarande visas och du behöver hjälp, ring oss på 08-621 34 20.
Lager för denna produkt är begränsat, men kan vara tillgänglig i ett lager nära dig. Se till att du är inloggad på hemsidan så att tillgängligt lager kan visas. Om call fortfarande visas och du behöver hjälp, ring oss på 08-621 34 20.
VWR International AB säljer bara etanol till skattebefriade kunder. Denna produkt ä reglerad enligt svensk lagstiftning. Om ytterligare information krävs av dig kommer du att kontaktas via e-post.
VWR International AB säljer bara etanol till skattebefriade kunder.
Denna produkt ä reglerad enligt svensk lagstiftning. Om ytterligare information krävs av dig kommer du att kontaktas via email.
Produkten har blockerats av din organisation. Vänligen kontakta din inköpsavdelning för mer information.
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Denna produkt är inte längre tillgänglig. Alternativ kan vara tillgängliga genom att söka med VWR art.nr ovan. Om du behöver ytterligare hjälp, ring VWR Kundservice på 08-621 34 20.
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