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DNPH reference materials

Supplier: Restek
Description: The reported concentrations reflect the amount of aldehyde or ketone in the mixture.The concentration of derivatised aldehyde or ketone is not reported.

Product Image-REST33093

CARB 1004 aldehyde/ketone-DNPH calibration standard (13 components)

Catalog Number: (REST33093)
Supplier: Restek
Description: The CARB 1004 aldehyde/ketone-DNPH calibration standard consists of 13 components, they are acetaldehyde-2,4-DNPH, acetone-2,4-DNPH, acrolein-2,4-DNPH, benzaldehyde-2,4-DNPH, n-butyraldehyde-2,4-DNPH, crotonaldehyde-2,4-DNPH, formaldehyde-2,4-DNPH, hexaldehyde-2,4-DNPH, methacrolein-2,4-DNPH, methyl ethyl ketone-2,4-DNPH, propionaldehyde-2,4-DNPH, m-tolualdehyde-2,4-DNPH, valeraldehyde-2,4-DNPH.
UOM: 1 * 1 mL

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Product Image-REST9175355-700

UHPLC columns, Ultra IBD (USP L68)

Supplier: Restek
Description: These are stationary phase columns made with high-purity and type-B silica that minimises activity and creates high-density bonding.

Product Image-REST21000

FID flow measuring adaptor

Catalog Number: (REST21000)
Supplier: Restek
Description: This adaptor is suitable for for Agilent 5890/6850/6890/7890 GCs.
UOM: 1 * 1 items
Product Image-RESTKT953835-0000

Membrane filtration apparatus

Supplier: Restek
Description: This filtration apparatus are with fritted glass support that is recommended for routine filtration of corrosive liquids and removal of particles from LC solvents. The ground joint connection eliminates phthalate contamination that can occur when using silicone or neoprene stoppers. The support base has a coarse-porosity glass frit and an integral vacuum connection, located above the drip tip to prevent contamination of the vacuum line with filtrate droplets.

Product Image-REST22657

Storage Case for Leak Detector and Flowmeter

Catalog Number: (REST22657)
Supplier: Restek
Description: This storage case is ideal for ProFLOW 6000 flowmeter and leak detector in smaller spaces such as tool box.
UOM: 1 * 1 items
Product Image-REST26195

Solid phase extraction cartridges for pesticide residue cleanup

Supplier: Restek
Description: Pesticide residue cleanup SPE cartridges are convenient with multiple adsorbent beds in a single cartridge. It is used in multiresidue pesticide analysis to remove matrix interferences and also exhibits good cleanup of dietary supplement extracts.

Product Image-REST35108

GC-FID test mix (3 components)

Catalog Number: (REST35108)
Supplier: Restek
Description: The mix consists of (C12) n-dodecane, (C14) n-tetradecane and (C16) n-hexadecane.
UOM: 1 * 1 items
Product Image-REST35222

Ethylenediamine

Catalog Number: (REST35222)
Supplier: Restek
Description: Organic Standard, Ethylenediamine, 1 ml/ampoule
UOM: 1 * 1 items
Product Image-REST9179518

Preparative HPLC columns, ultra PFP propyl

Supplier: Restek
Description: Ultra PFP (pentafluorophenyl) Propyl preparative columns are ideal for the retention and selectivity of charged bases, electronegative compounds, and amine-containing compounds.

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QuEChERS quality control standards for GC-MS analysis

Supplier: Restek
Description: Pesticide analysis is fast and simple using QuEChERS methods. Use these cost-effective QuEChERS standards for even greaterlab efficiency. Standards are compatible with all major methods, including mini-multiresidue, AOAC, and European procedures.

Product Image-REST31874

EPA method 8310 PAH mixture

Catalog Number: (REST31874)
Supplier: Restek
Description: EPA method 8310 PAH mixturecontain 18 components.
UOM: 1 * 1 mL
Product Image-REST9127573-700

Analytical HPLC columns, Ultra Aromax (USP L11)

Supplier: Restek
Description: These Ultra Aromax is a unique reversed-phase material that exhibits extreme retention and selectivity for aromatic and/or unsaturated compounds. They are made of high-purity, type-B silica that minimises activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.

Product Image-REST30650

ASTM D3606 calibration standard #4 without internal standard (2 components)

Catalog Number: (REST30650)
Supplier: Restek
Description: The mix consists of benzene (0,67% vol/vol), toluene (5% vol/vol).
UOM: 1 * 1 Ampoul
Product Image-REST30651

ASTM® D3606 calibration standard #5 without internal standard (2 components)

Catalog Number: (REST30651)
Supplier: Restek
Description: The mix consists of benzene (0,33% vol/vol), toluene (2,5% vol/vol).
UOM: 1 * 1 Ampoul
Product Image-REST27200

Heater/Sensor assembly

Catalog Number: (REST27200)
Supplier: Restek
Description: Heater/Sensor assembly for Agilent 6850/6890/7890 GCs use with FID, TCD, NPD, and split/splitless inlets.
UOM: 1 * 1 items
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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