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Proficiency+Testing+Standards


128,257  results were found

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Supplier:  Stanbio Laboratory
Description:   Stanbio Laboratory offers a broad range of liquid-stable clinical chemistry reagents
Supplier:  Spectrum Chemicals
Description:   D-Gluconic Acid, 50 Percent Aqueous Solution, also known as Dextronic acid, is considered a gluconate and can be used to treat burns from hydrofluoric acid. Spectrum solutions utilize the highest quality raw materials appropriate to your product. Most raw materials meet or exceed the specifications established by the American Chemical Society. Where appropriate, many finished products are traceable to NIST Standard Reference Materials. Manufacturing, quality control testing, and packaging are all performed in Spectrum’s own facilities. Record keeping and sample retention of all produced lots ensure product consistency and complete traceability
Small Business Enterprise
Supplier:  RPI
Description:   The highest purity D-Luciferin Potassium Salt for a wide range of bioluminescent applications. Produces bioluminescence when oxidized by firefly luciferase. Allows highly sensitive bioluminescent measurements. Common research uses reporter gene assays, ATP assays, whole animal studies, DNA sequencing and others. Our product is specially purified and tested extensively to ensure the highest signal and reproducibility with low background and sensitivity. Guaranteed purity is determined by both standard HPLC and Chiral HPLC methods. Protect from light and moisture.
Supplier:  Bel-Art Products
Description:   FRIO-Temp® Thermometers are used to verify temperatures in freezers, refrigerators, incubators and ovens with traceability to NIST, DKD/PTB and most standards through ILAC.
MSDS SDS
Supplier:  QUALITY BIOLOGICAL, INC.
Description:   DEPC Treated Water is Ultra Pure and prepared by reverse osmosis, passed through fine carbon, de-ionized through two resin beds and serially filtered 1 µm positively charged membranes. The water is subsequently treated with 0.1% (v/v) DEPC (Diethylpyrocarbonate) and incubated and heated overnight at 37°C. Finally, DEPC Treated Water is filtered through a 0.1 µm filter.
Small Business Enterprise Minority or Woman-Owned Business Enterprise
Supplier:  GE Healthcare - Whatman
Description:   These 934-AHâ„¢ RTU grade filter papers have been pre-washed, dried (or ignited), cooled, desiccated, and weighed. This eliminates the pre-treating steps that are otherwise required by the US EPA Laboratory Standard Method 2540 parts C, D, and E.
Supplier:  VWR International
Description:   These flasks are optimally designed for use in all aerobic/anaerobic suspension cultures.
Supplier:  National Public Seating
Description:   This functions as a workstation, mobile storage cabinet and as a demonstration table.

Supplier:  MP Biomedicals
Description:   Fluorescein-Conjugated Goat F(ab')2 Fragment to Human Complement C3 is the lyophilized powder of fluorescein-5-isothiocyanate (FITC "Isomer I")-conjugated goat F(ab')2 fragment to human complement C3 and buffer salts.

Complement component C3 plays a central role in the activation of complement system. Its activation is required for both classical and alternative complement activation pathways. People with C3 deficiency are susceptible to bacteria infection.

The total protein is measured using the Biuret procedure with bovine albumin as the standard; F/P ratio is calculated using absorbance at 491.5nm. Antibody titer of the IgG fraction is standardized by equivalence-point precipitation. The F(ab')2 fragments are tested for purity and specificity at a minimum of 20 mg/mL using immunoelectrophoresis.
Supplier:  Ansell Healthcare
Description:   INTERCEPTâ„¢ cut resistance technology has been tested to perform at or exceed industry standards, offering best-in-class cut protection and increased comfort.

Supplier:  Meridian
Description:   Standardized concentration system for the recovery of eggs, larvae, and protozoa from fecal material
MSDS SDS
Supplier:  Thermo Fisher Scientific
Description:   Heavy-duty construction for repeated autoclavability.
Catalog Number: (IC096041205)

Supplier:  MP Biomedicals
Description:   Uncoated areas have a total wettable surface so that liquid spreads evenly over the area of each well. For cell attachment and growth, the slides require only a simple washing in deionized water or detergent followed by sterilization.
Catalog Number: (IC096041505)

Supplier:  MP Biomedicals
Description:   Uncoated areas have a total wettable surface so that liquid spreads evenly over the area of each well. For cell attachment and growth, the slides require only a simple washing in deionized water or detergent followed by sterilization.
Supplier:  Spectrum Chemicals
Description:   Sodium Silicate, 40 DEG Be Solution is typically used in cements, lumber processing and automobiles. It is also known as liquid glass and in pure composition is white or colorless. Some commercial samples, however, appear green or blue. Spectrum solutions utilize the highest quality raw materials appropriate to your product. Most raw materials meet or exceed the specifications established by the American Chemical Society. Where appropriate, many finished products are traceable to NIST Standard Reference Materials. Manufacturing, quality control testing, and packaging are all performed in Spectrum’s own facilities. Record keeping and sample retention of all produced lots ensure product consistency and complete traceability
Small Business Enterprise
Supplier:  CT International
Description:   NWCP nitrile co-polymer DI water washed class 10 gloves are manufactured for outstanding strength, stretch and fit.
Inquire for Price
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 1-800-932-5000.
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 1-800-932-5000.
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 Regulatory_Affairs@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 1-800-932-5000.
545 - 560  of 128,257
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