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Organic reference standard, Acid Red 33, analytical standard, Supelco®

Artikel nummer : (59573-25MG)

Leverantör: Merck

Beskrivning: Organic Standard, Acid Red 33, ≥97,0% (HPLC)

UOM: 1 * 25 mg

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Ethyl red

Leverantör: Thermo Scientific

Beskrivning: Ethyl red

Säkerhetsdatablad Certifikat

Fenolrött, pulver, Bioreagent cell culture reagent, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY

Beskrivning: 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).

Fenolrött natriumsalt dye pH-indikator, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY

Beskrivning: Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6,4 and below, phenol red solution will have a yellow colour. At a pH of 8,2 and above, it will have a red colour. It is commonly used in culture media to detect neutral to acidic pH changes.

Ethyl red ≥97.0% not cyanin dyes

Leverantör: TCI EUROPE

Beskrivning: Ethyl red ≥97.0% not cyanin dyes

Xylenol orange tetrasodium salt in ACS Reagent grade water, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY

Beskrivning: Xylenol orange tetrasodium salt is a fluorochrome acid dye with complexing and chelating properties that make it useful as an indicator in the spectrophotometric detection and assay of metal ions such as calcium, cadmium, bismuth, zinc, lead, and mercury. Its tetrasodium salt especially is used as an indicator in metal titrations. It changes color from yellow to red between pH 6.4 to 10.4. It has six potentially anionic substituents, one being sulfonate, and is anionic under staining conditions and during most laboratory applications.

Acid red 33

Leverantör: Spectrum Chemical

Beskrivning: D and C Red No. 33 | Non-graded D and C Red No. 33 supplied by Spectrum is indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

Cresol red

Leverantör: Merck

Beskrivning: Cresol red

Säkerhetsdatablad Certifikat

Cresol red Reag. Ph. Eur. 1022801

Artikel nummer : (87810.180)

Leverantör: VWR Chemicals

Beskrivning: Cresol red Reag. Ph. Eur. 1022801

UOM: 1 * 100 mL

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Kongoröd ≥95%, Ultra Pure Grade

Artikel nummer : (AATB23056)

Leverantör: AAT BIOQUEST INC

Beskrivning: Congo red (CR) is the sodium salt of benzidinediazo-bis-1-naphtylamine-4-sulfonic acid.

UOM: 1 * 100 mg

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Fenolrött, pulver ACS

Leverantör: MP Biomedicals

Beskrivning: 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.