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Image Unavailable-1.08175.0025

Thymolphthalein ACS, Reag. Ph. Eur. indicator

Supplier: Merck
Description: Thymolphthalein ACS, Reag. Ph. Eur. indicator

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Product Image-85911.100

Bromocresol green ≥95% (dye content), powder, AnalaR NORMAPUR® ACS pH-indicator

Supplier: VWR Chemicals
Description: Bromocresol green ≥95% (dye content), powder, AnalaR NORMAPUR® ACS pH-indicator

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Image Unavailable-1.08176.0025

Thymol blue ACS, Reag. Ph. Eur. pH-indicator, Supelco®

Supplier: Merck
Description: Thymol blue ACS, Reag. Ph. Eur. pH-indicator, Supelco®

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Image Unavailable-B8806-1MG

BCECF AM ester 1 mg/mL in DMSO fluorescent pH indicator, Sigma-Aldrich®

Catalog Number: (B8806-1MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: An intracellular fluorescent pH indicator.
UOM: 1 * 1 mg
Image Unavailable-1.07297.0010

o-Cresolphthalein complexone Reag. Ph. Eur. indicator for metal titration, Supelco®

Supplier: Merck
Description: o-Cresolphthalein complexone Reag. Ph. Eur. indicator for metal titration, Supelco®

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Image Unavailable-ICNA0219485583

Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)

Supplier: MP Biomedicals
Description: Tris has been useful as buffers in a wide variety of biological systems. Uses include pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications. Tris has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). Tris does not precipitate calcium salts and is of value in maintaining solubility of manganese salts. It can be used for the direct standardization of a strong acid solution; the equivalence point can be determined either potentiometrically or by use of a suitable indicator such as 3-(4-Dimethylamino-1-naphthylazo)-4-methoxybenzenesulfonic acid. It is an auxiliary material in pharmaceutical science.
Store at Room Temperature (15-30 °C). Store dessicated.

Product Image-86151.150

Methyl orange (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator

Supplier: VWR Chemicals
Description: Methyl orange (C.I. 13025), AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator

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Product Image-191892H

Solution for anionic surfactant determination (formerly known as Dimidium bromide-disulphine blue indicator stock solution)

Catalog Number: (191892H)
Supplier: VWR Chemicals
Description: For use in the two-phase method for anionic surfactants.
UOM: 1 * 100 mL

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Product Image-91064.

Biological indicators, strips

Supplier: LIOFILCHEM
Description: Biological indicators for validating the sterilisation using steam sterilisation (autoclaves).

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Product Image-LIOF91048

Biological indicators, stainless steel coupons, OXI CONTROL

Supplier: LIOFILCHEM
Description: Biological indicators for validating the sterilisation using VHP in isolators.

Product Image-86150.010

Xylenol orange tetrasodium salt, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator for metal titration

Supplier: VWR Chemicals
Description: Xylenol orange tetrasodium salt, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator for metal titration

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Image Unavailable-1.09175.1000

Visual colour kits, pH indicator with colour card, Supelco®

Supplier: Merck
Description: Quick tests, visual colour comparison.

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Image Unavailable-H66517.03

Brooker's merocyanine indicator dyed

Supplier: Thermo Fisher Scientific
Description: Brooker's merocyanine dye is used as solvent polarity indicators. It is used as pH sensors and transition metal cation indicators.

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Product Image-5732.5000

Orthoboric acid 10 g/l in aqueous solution, VOLUSOL®, with indicator

Catalog Number: (5732.5000)
Supplier: VWR Chemicals
Description: Orthoboric acid 10 g/l in aqueous solution, VOLUSOL®, with indicator
UOM: 1 * 5 L

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Product Image-0449-25G

Bromophenol blue ACS

Supplier: VWR Chemicals
Description: A tracking dye for nucleic acid and protein gels. Also a pH indicator (yellow to blue, range 3,0 to 4,6).

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Image Unavailable-51010.

BCECF (2′,7′ –bis-(Carboxyethyl)-5-(and-6)-carboxyfluorescein) ≥95% (by HPLC) fluorescent pH indicator

Catalog Number: (51010.)
Supplier: Biotium
Description: BCECF (2′,7′ –bis-(Carboxyethyl)-5-(and-6)-carboxyfluorescein) is the most widely used fluorescent pH sensor. Because its pKa (6.97) is close to physiological pH, BCECF can detect cytosolic pH change with high sensitivity.
UOM: 1 * 1 mg
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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 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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 Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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