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Product Image-478-0474

Liquid nitrogen, low level alarms for Dewars

Supplier: QUANTUM PRODUCTION
Description: Low level alarms, easily fitted to any type or size of low pressure liquid nitrogen refrigerator, cryostat, vessel or Dewar flask. It continuously monitors levels of LN₂ and gives visual and audible warnings when LN₂ levels fall below the level set by the sensor position.

Product Image-KGWA10210

Dewar vessels, cylindrical, type C and G-C

Supplier: KGW
Description: Dewar vessel, in silvered borosilicate glass, blue coated metal protective covering. For storage of liquid nitrogen, dry ice and other coolants.

Product Image-478-5433

Dewar flasks, type GSS

Supplier: KGW
Description: Dewar flasks in stainless steel for storage and transport of liquid nitrogen, dry ice and other coolants. They are vacuum insulated and have a temperature range from −200 to +200 °C.

Product Image-478-0733

Dewar carrying flasks, type B and B-E

Supplier: KGW
Description: Silvered borosilicate glass, blue coated metal protective covering (B) or stainless steel (B-E). For storage and transport of liquid nitrogen, dry ice and temperature-sensitive goods.

Product Image-478-4406

Spherical Dewar flasks, type AL

Supplier: KGW
Description: Dewar flasks made from silvered borosilicate glass, brushed aluminium protective covering.

Product Image-478-0772

Large Dewar flasks, type C/CAL

Supplier: KGW
Description: Dewar flasks made of borosilicate glass 3.3 DIN/ISO 3585, for storing and tranporting of LN₂, CO₂ and other cooling liquids. Suitable as insulating flasks.

Product Image-1.05590.9950

Sodium hydroxide ≥32% in aqueous solution, EMSURE® for nitrogen analysis, Supelco®

Supplier: Merck
Description: Sodium hydroxide ≥32% in aqueous solution, EMSURE® for nitrogen analysis, Supelco®

MSDS Certificates Sale

Image Unavailable-1.00748.2500

Sulphuric acid ≥98% for nitrogen analysis, Supelco®

Supplier: Merck
Description: Sulphuric acid ≥98% for nitrogen analysis, Supelco®

MSDS Certificates Sale

Product Image-92504.290

Selenium reagent mixture for the determination of nitrogen acc. to Wieninger

Catalog Number: (92504.290)
Supplier: VWR Chemicals
Description: Selenium reagent mixture for the determination of nitrogen acc. to Wieninger
UOM: 1 * 1 kg

MSDS Certificates


Product Image-91273.180

VWR®, Total Nitrogen Standards (CRMs)

Supplier: VWR Chemicals
Description: Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.

MSDS Certificates

Image Unavailable-1.05591.9025

Sodium hydroxide 27% in aqueous solution, EMSURE® for nitrogen analysis, Supelco®

Supplier: Merck
Description: Sodium hydroxide 27% in aqueous solution, EMSURE® for nitrogen analysis, Supelco®

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Product Image-89503-100ML

Ammonium Nitrogen standard for IC, TraceCERT®, Supelco®

Catalog Number: (89503-100ML)
Supplier: Merck
Description: Ammonium Standard, Ammonium standard solution, 1000 mg/L, TraceCERT®, Supelco®, Nitrogen (as NH₄+), Matrix: H₂O, Application: Ion chromatography standards
UOM: 1 * 100 mL

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Image Unavailable-1.25043.0100

Nitrogen (total) CRM, Standard Solutions, Supelco®

Supplier: Merck
Description: Nitrogen (total) standard solution, Supelco®, 100 mg/L N, : N/A, Matrix: H₂O, For test kit(s): 1.14763, pH range: 5 - 7

MSDS Certificates

Product Image-85546.320

Sulphuric acid ≥96% for nitrogen analysis

Supplier: VWR Chemicals
Description: Sulphuric acid ≥96% for nitrogen analysis

MSDS Certificates

Image Unavailable-131083-25G

4-Phenylazophenol ≥98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 4-Phenylazophenol is a polymethacrylates containing polar azo dye. 4-Phenylazophenol (4PP) has been used to study mineralisation by P. chrysosporium under nitrogen-sufficient and nitrogen-limiting culture conditions.

Product Image-516-0316

VWR® Low Nitrogen Content Filters, Grade 521

Catalog Number: (516-0316)
Supplier: VWR Collection
Description: Low nitrogen content filters for determination of nitrogen content in steel and iron samples dissolved in acid. Filtration of fine precipitates to dissolve according Kjeldahl method.
UOM: 1 * 100 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 +353 1 88 22222.
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 +353 1 88 22222
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.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 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 Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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