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Product Image-MANA722316

Test mixtures for gas chromatography

Supplier: MACHEREY-NAGEL
Description: These test mixtures are used for controlling the performance of fused silica capillary columns and the GC system.

Product Image-MANA90712

pH Papers, without color scale

Supplier: MACHEREY-NAGEL
Description: These products are simple, completely impregnated indicator papers, which do not allow exact pH determinations, but pH adjustments during special chemical procedures. For this reason, no colour scale is provided with these papers.

MSDS Certificates

Product Image-MANA723321.60

Capillary columns, PERMABOND® CW 20 M

Supplier: MACHEREY-NAGEL
Description: Polar GC phase.

Product Image-MANA726545.25

Capillary columns, OPTIMA® 1701

Supplier: MACHEREY-NAGEL
Description: Medium polar GC phase.

Product Image-MANA701420.101

N-Methyl-bis-heptafluorobutyramide (MBHFBA) acylation reagent, for GC derivatisation

Supplier: MACHEREY-NAGEL
Description: Acylation with fluorinated bisacylamides is recommended for alcohols, primary and secondary amines as well as for thiols under mild, neutral conditions.

Product Image-MANA90754

Test Papers, Potassium Iodide Starch Papers

Supplier: MACHEREY-NAGEL
Description: The 816 N version comes in a classic test paper reel. You can choose the required test paper length simply by tearing the paper. Thus, MN 816 N is especially suited to be dipped into solutions.

MSDS Certificates

Product Image-MANA730183.12

Accessories for vacuum manifolds, CHROMABOND®

Supplier: MACHEREY-NAGEL
Description: For the CHROMABOND® vacuum manifolds for upto 12, 16 or 24 samples the following accessories are available.

Product Image-MANA91359

QUANTOFIX Iron Sensitive 1

Catalog Number: (MANA91359)
Supplier: MACHEREY-NAGEL
Supplier Article Number:: 91359
Description: Semi-quantitative test strips for reliable determination of iron concentrations as low as 0.05 mg/L (ppm). A hole in the plastic carrier allows the water to migrate through the test pad increasing the sensitivity by a factor of nearly 10. Ideal for rapid and easy analysis of iron directly on-site. No maintenance or calibration is required.
UOM: 1 * 25 items
Product Image-MANA70275

Snap caps for snap cap vials, N 18 and N 22

Supplier: MACHEREY-NAGEL
Description: Snap caps for both neck sizes are available.

Product Image-MANA701460.201

1-(Trimethylsilyl)imidazole in pyridine Silyl-1139 silylation reagent, for GC derivatisation

Catalog Number: (MANA701460.201)
Supplier: MACHEREY-NAGEL
Supplier Article Number:: 701460.201
Description: Silyl-1139 [TSIM+pyridine (11:39)] is recommended for derivatisation of alcohols, phenols, organic acids, steroids, hormones, glycols, nucleotides and narcotics.
UOM: 1 * 1 KIT
Product Image-MANA701240.510

HMDS (1,1,1,3,3,3-hexamethyldisilazane) silylation reagent, for GC derivatisation

Supplier: MACHEREY-NAGEL
Description: HMDS is weak TMS donor. If used as sole reagent, it is slow and not very effective. After addition of catalytic quantities (e.g., 1 %) of TMCS or as a mixture with TMCS it is a fast and quantitative reagent for trimethylsilylation of organic compounds.

Product Image-MANA814000

TLC introductory kit, Micro Set A

Supplier: MACHEREY-NAGEL
Description: An ideal introductory kit for the science education sector. The kit contains all the the chemicals, plates and accessories for students to perform separations of dyes including: anthaquinone dye mixtures, lipophilic dye mixtures and food dye mixtures. The TLC plates are polyester sheet based with either silica, cellulose or alumina as coating.

Product Image-MANA760071.20

HPLC columns, NUCLEODUR® C18 Gravity

Supplier: MACHEREY-NAGEL
Description: NUCLEODUR® C18 Gravity is an octadecyl modified silica phase with a high density coverage, using for HPLC.

Product Image-MANA90709

Test paper, chlorine

Catalog Number: (MANA90709)
Supplier: MACHEREY-NAGEL
Supplier Article Number:: 90709
Description: The white paper turns dark blue in the presence of Cl₂. The test is particularly suitable for high range applications in disinfectant solutions which are for example used in food and beverage industry and animal farms.
UOM: 1 * 1 items

MSDS Certificates


Product Image-MANA723356.50

Capillary columns, PERMABOND® FFAP

Supplier: MACHEREY-NAGEL
Description: Polar GC phase.

Product Image-MANA702292

Septa for screw caps, N 13

Supplier: MACHEREY-NAGEL
Description: Septa, PTFE virginal, white, Hardness: 53° shore D, Thickness: 0,25 mm, Ø: 12 mm

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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 at +65 6505 0760.
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 at +65 6505 0760.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR at sales@sg.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +65 6505 0760.
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