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Phosphomolybdic+acid+solutions
Catalog Number:
(10143-224)
Supplier:
VWR International
Description:
VWR® brand hematology stain offerings satify the needs of laboratory professionals following manual, rapid stain or automated protocols.
Catalog Number:
(100498-634)
Supplier:
Electron Microscopy Sciences
Description:
Premixed, prebuffered fixatives, that are pH adjusted for immediate laboratory use.
Catalog Number:
(95043-424)
Supplier:
G-Biosciences
Description:
G-Biosciences' Coomassie Brilliant Blue (CBB) G-250 and R-250 Stain are based on a colloidal Coomassie stain. CBB G-250 and R-250 stain proteins with high band visibility. The staining of gels with CBB G-250 and R-250 allows the examination of protein bands even during the staining process.
Catalog Number:
(10143-236)
Supplier:
VWR International
Description:
VWR® brand hematology stain offerings satify the needs of laboratory professionals following manual, rapid stain or automated protocols.
Catalog Number:
(76177-058)
Supplier:
MP Biomedicals
Description:
2,2-Azino-bis-(3-ethyl-benzthiazoline-6-sulfonic acid) (ABTS) has been used as a chromogenic substrate for horseradish peroxidase (HRP), both in general activity assays and in ELISA applications. Activity of HRP using ABTS appears about four-fold higher than using pyrogallol. It is mainly used as a substrate in sensitive peroxidase assays.
2,2′-Azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) is a peroxidase substrate suitable for use in ELISA procedures. This substrate produces a soluble end product that is green in color and can be read spectrophotometrically at 405 nm. The reaction may be stopped with 1% sodium dodecyl sulfate (SDS). Recommended for ELISA (microwell) procedures, not recommended for membrane applications. 
Supplier:
SPEX CERTIPREP LLC
Description:
Consumer Safety Standards
Analytical Standards for Wine Wine is a complex combination of water, alcohol and other substances such as organic acids, phenols, sugars, carbon dioxide, and sulfur dioxide. The chemical interactions of these compounds, combined with the aging process, determine the quality of the color, taste and aroma of the wine. However, during this process, the chemical interactions can also play key roles in spoiling the wine. For instance, cork taint transpires when naturally occurring airborne fungi are in the presence of chlorophenol compounds to form 2,4,6-trichloranisole (TCA) in the wine. When this occurs, the wine’s aroma is reduced significantly and is replaced by an undesirable smell and taste. To help regulate the spoilage of wine, the wine industry tests for several compounds that are known to cause this. For this industry, SPEX CertiPrep offers Certified Reference Materials (CRMs) for wine that are designed for GC, GC/MS, HPLC and LC/MS analysis. These standards are manufactured from the highest purity starting materials and the highest grade of solvents available in order to guarantee superior quality. Each standard is supplied with a detailed comprehensive Certificate of Analysis.
Supplier:
AVANTOR PERFORMANCE MATERIALS US
Description:
Granular. Lot analysis on label.
Catalog Number:
(PAA1330)
Supplier:
Promega Corporation
Description:
A silica membrane-based system for simple, rapid isolation of plasmid DNA from 1-10ml E. coli cultures. The miniprep procedure can be completed in 45 minutes or less.
Supplier:
VWR International
Description:
VWR® brand hematology stain offerings satify the needs of laboratory professionals following manual, rapid stain or automated protocols.
Supplier:
SPEX CERTIPREP LLC
Description:
CLP Standards for ICP & ICP-MS
Our Contract Laboratory Program (CLP) standards allow you to Calibrate with Confidence®. The standards are to be used in conjunction with the Statement of Work for Inorganic Analysis; Multi-Media/Multi-Concentration Document Number ILM 05.3/ISM 01.2. The final ICP check, performed in our own laboratories, is your stamp of assurance. We calibrate our instruments with traceable reference materials and show you the actual found value of the solution you receive, not just an ideal, calculated number as so many other standards manufacturers do. The combination of elements, concentrations and matrices listed have been diagnosed by SPEX CertiPrep for convenience of use and stability. US EPA SOW ILM 05.3/ISM 01.2 gives specific procedures for the methods of analysis, target elements, and concentrationlevels. Standards are specified not only by the elements present and their relative concentrations, but also the order and frequency of running standards, blanks and samples. Details of these specifications may be found in the US EPA SOW ILM 05.3/ISM 01.2 in the following sections: • Exhibit C, Inorganic Target Analyte List (TAL) • Exhibit D, Analytical Methods • Exhibit E, QA/QC Requirements CLP ISM 01.2 & ILM 05.3 Standards for ICP For ILM 05.3, a standard must be run at the Contract Required Detection Limits (CRDL). To verify linearity near the CRQL, this standard is analyzed at the beginning of the analysis run, after the ICV/ICB and before the ICSA and ICSAB. In addition, this standard must be run at a frequency of not less than 20 analytical samples and at the end of the analysis run, followed by the ICSA/ISCAB. The sequence order is CCV, CCB, CRI, ICSA, ICSAB, CCV, and CCB. For ISM 01.2, at least one of your calibration standards must be at the Contract Required Detection Limit (CRDL). This standard, when diluted, can be used as a calibration standard to fulfill this requirement.
Catalog Number:
(BDH7317-1)
Catalog Number:
(SXBD-3515)
Supplier:
SPEX CERTIPREP LLC
Description:
Biodiesel Standards
Biodiesel Standards Designed for ASTM D6584 & EN14105 Biodiesel is fast becoming an environmentally friendly alternative to petroleum sources. This fuel source is obtained by esterification of oils derived from plants or animals. To meet the demands of this industry, SPEX CertiPrep offers Biodiesel Certified Reference Materials, as well as glyceride and FAME (Fatty Acids Methyl Esters) impurity standards; all designed to save time and money by eliminating the need to prepare in-house standards. Our standards are manufactured from the highest purity starting materials and the highest grade of solvents available to guarantee superior quality. These standards are manufactured in a specially designed laboratory built to eliminate contamination issues that may arise during the manufacturing process. The standards then go through a rigorous QC process where a senior chemist approves each lot. This guarantees the standards are accurate and stable at the stated concentrations for all of the components. In addition, all standards are supplied with a detailed, comprehensive Certificate of Analysis. For a custom standard quote, please visit spexcertiprep.com/customorganics.
Supplier:
G-Biosciences
Description:
G-Biosciences' Tri-Xtractâ„¢ is a convenient, ready-to-use reagent designed for the isolation of total RNA that is free from protein and DNA contamination
Catalog Number:
(95043-426)
Supplier:
G-Biosciences
Description:
G-Biosciences' Coomassie Brilliant Blue (CBB) G-250 and R-250 Stain are based on a colloidal Coomassie stain. CBB G-250 and R-250 stain proteins with high band visibility. The staining of gels with CBB G-250 and R-250 allows the examination of protein bands even during the staining process.
Catalog Number:
(PAA7640)
Supplier:
Promega Corporation
Description:
The Wizard® Plus Midipreps DNA Purification System isolates plasmid DNA in 90 minutes or less, yielding up to 200μg of high-quality DNA with no organic extractions or ethanol precipitations.
Supplier:
StatLab
Description:
Since 1957 Original Decal® has been the industry standard. A gentle decalcifier formulated from semiconductor grade hydrochloric acid, EDTA, and highly purified reagent grade water. Can be used to safely decalcify all types of tissue samples from needle biopsies to cortical bone. It’s mild enough that most samples can be left in overnight; over decalcification is not a worry.
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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
 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
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
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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.
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