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

Varenummer: (59573-25MG)

Leverandør: Merck

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

UOM: 1 * 25 mg

Tilbud

N/A Each

Ethyl red

Leverandør: Thermo Fisher Scientific

Beskrivelse: Ethyl red

MSDS Certifikater

Phenol rød, pulver, Bioreagent cell culture reagent, Sigma-Aldrich®

Leverandør: SIGMA ALDRICH MICROSCOPY

Beskrivelse: 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).

Certifikater

Ethyl red ≥97.0% (by titrimetric analysis) not cyanin dyes

Leverandør: TCI

Beskrivelse: Ethyl red ≥97.0% (by titrimetric analysis) not cyanin dyes

Phenol rød natrium salt dye pH-indikator, Sigma-Aldrich®

Leverandør: SIGMA ALDRICH MICROSCOPY

Beskrivelse: 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.

Acid red 33

Leverandør: Spectrum Chemical

Beskrivelse: 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.

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

Leverandør: SIGMA ALDRICH MICROSCOPY

Beskrivelse: 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.