"Dioxide Powder"

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

Supplier: VWR Chemicals

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

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Sulphanilic acid, anhydrous 98.0-102.0%, powder, BAKER ANALYZED® ACS, J.T.Baker®

Supplier: Avantor

For nitrogen dioxide determination (ASTM D-1607).

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Zirconium(IV) oxide ≥99% (metals basis excluding Hf) stabilised, powder -325 Mesh (max. 4% Hf)

Supplier: Thermo Fisher Scientific

Stabilized

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Hafnium dioxide, Sigma-Aldrich®

Supplier: Merck

Hafnium dioxide, Sigma-Aldrich®

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Phenol red, powder, Bioreagent cell culture reagent, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phenol Red is a phenolsulfonphthalein compound. It is present as a sulfonated hydroxyquinone in weakly acidic aqueous solutions. In alkaline solutions, the dye forms a hydrophilic dianion (a small, red anion and has a larger conjugated system than the yellow hydroxyquinone).

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Phenol red sodium salt, powder, Bioreagent cell culture reagent, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phenol Red Sodium Salt (PRSS) is a water-soluble anionic fluorescent dye, that possesses an extra Na ion attached with the SO3 group compared to phenol red. It is intended for use in cell culture applications. A solution of phenol red will have a yellow color at a pH of 6,4 or below and a red color at a pH of 8,2 and above.

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Potassium superoxide, Sigma-Aldrich®

Supplier: Merck

Potassium superoxide, Sigma-Aldrich®

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Cerium(IV) oxide, Sigma-Aldrich®

Supplier: Merck

Cerium(IV) oxide, Sigma-Aldrich®

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Zirconium(IV) oxide, Sigma-Aldrich®

Supplier: Merck

Zirconium(IV) oxide, Sigma-Aldrich®

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D-(+)-Biotin ≥97.5%, white crystalline powder

Supplier: MP Biomedicals

Essential vitamin that is important for amino acid and energy metabolism, and fatty acid synthesis. It is a prosthetic group in four mammalian carboxylase families and facilitates the binding and transfer of carbon dioxide.

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Bromocresol purple, powder

Supplier: MP Biomedicals

Bromocresol Purple is used as a pH indicator (5.2-6.8 : yellow to blue-purple). Used in spectrophotometric determination of serum-albumin.

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Phenol red, powder ACS

Supplier: MP Biomedicals

Phenol Red Sodium Salt is used as a pH indicator, it is used widely in culture media to identify changes from neutral to acidic pH values.

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Bromochlorophenol blue, powder

Supplier: MP Biomedicals

Bromophenol blue is a tracking dye for alkaline and neutral buffer systems. It is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) gel electrophoresis.