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Folin-Ciocalteu's reagent 1,9 - 2,1 N for analysis of phenols, suitable for determination of total protein by Lowry method, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Folin & Ciocalteu's phenol reagent is most commonly used in the Lowry method for determining protein concentration. It has also been used for the quantification of total phenolics. In this method, protein is pretreated with copper(II) in a modified biuret reagent (alkaline copper solution
stabilized with sodium potassium tartrate). Addition of the phenol reagent generates chromogens that give increasing absorbance between 550-750nm. Normally, absorbance at the peak (750 nm) or shoulder (660 nm) are used to quantitate protein concentrations between 1 - 100 mg/ml while absorbance at 550 nm is used to quantitate higher protein concentrations.

Product Image-31360.264

Folin-Ciocalteu's reagent for analysis of phenols

Catalog Number: (31360.264)
Supplier: VWR Chemicals
Description: Folin-Ciocalteu's reagent for analysis of phenols
UOM: 1 * 500 mL

MSDS Certificates


Bürkle single-use powder and liquid funnels

Cleanroom manufactured funnels, a practical and hygienic pouring aid! Also available sterile (10-6). Made of PS, compliant to EU food and FDA regulations.

More info

A truly clean filling aid for your lab

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Folin-Ciocalteu's reagent for analysis of phenols, Supelco®

Supplier: Merck
Description: Folin-Ciocalteu's reagent for analysis of phenols, Supelco®

MSDS Certificates

Image Unavailable-APPCA5084.0500

Folin-Ciocalteu's reagent for analysis of phenols

Catalog Number: (APPCA5084.0500)
Supplier: PanReac AppliChem
Description: Folin-Ciocalteu's reagent for analysis of phenols
UOM: 1 * 500 mL
Image Unavailable-ICNA0219518690

Folin-Ciocalteu's reagent for analysis of phenols

Catalog Number: (ICNA0219518690)
Supplier: MP Biomedicals
Description: Folin & Ciocalteu`s Phenol Reagent is suitable for determination of total protein by Lowry method. It is a mixture of phosphomolybdate and phosphotungstate used for the colorimetric assay of phenolic and polyphenolic antioxidants.
UOM: 1 * 500 mL

MSDS


Product Image-31351.296

Folin-Denis' reagent for analysis of uric acid

Catalog Number: (31351.296)
Supplier: VWR Chemicals
Description: Folin-Denis' reagent for analysis of uric acid
UOM: 1 * 1 L

MSDS Certificates


Image Unavailable-A10507.22

1,2-Naphthoquinone-4-sulphonic acid sodium salt ≥97%

Supplier: Thermo Scientific
Description: 1,2-Naphthoquinone-4-sulphonic acid sodium salt ≥97%

MSDS Certificates

Image Unavailable-APOSBIF1006-25G

1,2-Naphthoquinone-4-sulphonic acid sodium salt

Supplier: Apollo Scientific
Description: 1,2-Naphthoquinone-4-sulphonic acid sodium salt

New Product

Product Image-ACRO415401000

1,2-Naphthoquinone-4-sulphonic acid sodium salt 98%

Supplier: Thermo Scientific
Description: 1,2-Naphthoquinone-4-sulphonic acid sodium salt 98%

MSDS

Product Image-28195.460

Sodium tungstate dihydrate ≥99%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
Description: This product is not suitable for the Colin reaction.

MSDS Certificates

Image Unavailable-APOSBIC0607-5G

Folinic acid calcium salt ≥97.5%

Supplier: Apollo Scientific
Description: Folinic acid calcium salt hydrate (Leucovorin calcium) ≥97.5%

New Product

Product Image-ACRO230312500

Folinic acid calcium salt pentahydrate 95.0-105.0%

Supplier: Thermo Scientific
Description: Appearance: White to yellow Powder

MSDS

Image Unavailable-F7878-1G

Folinic acid calcium salt hydrate, analytical standard, Supelco®

Supplier: Merck
Description: Organic Standard, Folinic acid calcium salt hydrate

Image Unavailable-ICNA0219150480

Folinic acid calcium salt pentahydrate, pale yellow powder

Supplier: MP Biomedicals
Description: Folinic acid calcium salt, pentahydrate offsets the effects of folic acid antagonists that act by binding dihydrofolate reductase and blocking the conversion of folic acid to tetrahydrofolate.

Image Unavailable-ICNA0210175080

Gallic acid, fine powder

Catalog Number: (ICNA0210175080)
Supplier: MP Biomedicals
Description: Gallic acid is used as a standard for determining the phenol content of various analytes by the Folin-Ciocalteau assay.
UOM: 1 * 100 g

MSDS Certificates


Image Unavailable-ICNA0219350483

Tritirachium album proteinase K

Supplier: MP Biomedicals
Description: Suitable for both protein and nucleic acid isolation. Exhibits proteolytic activity on proteins, peptides, glycoproteins, amides and esters. Also active with nitroanilides of amino acids with protected amino groups, excluding arginine. Useful in the isolation of DNA and RNA, in the analysis of membrane structures and protein structure. Proteolytic activity: >30mAnson Units/mg Unit definition: One Anson unit is the amount of enzyme which liberates 1 µmol of Folin-positive amino acids per minute at pH 7,5 and 35 °C, using hemoglobin as substrate.

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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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