fournitures de laboratoire
Complexe de l'o-crésolphthaléine 2411-89-4 C32H32N2O12 Colorants Indicateur complexe
Chemical Reagents O-Cresolphthalein Complexone CAS 2411-89-4 C32H32N2O12 Biological Stains Complex Indicators Acid-base Indicators Introduction: O-Cresolphthalein Complexone is a white or yellow powder, insoluble in water, soluble in dilute alkali and blue, with a pH value of 8.2-9.8 (color ranges ...
C14H12N2 Néocuproïne CAS 484-11-7 Réactif de détermination du cuivre Synthèse organique
Chemical Reagents Neocuproine CAS 484-11-7 Copper determination Reagent Organic Synthesis Introduction: Reagent for copper determination, white or yellow brown crystals. Uses: Used as a reagent for the determination of cuprous, photometric analysis for the determination of copper, and determination ...
CAS 573-58-0 Rouge Congo en poudre Indicateur d'adsorption acide-base
Chemical Reagents Congo Red CAS 573-58-0 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Brown-red powder, easily soluble in hot water, soluble in 10 parts of cold water, the solution is yellow-red. Uses: 1. Mainly used for dyeing textiles and paper products such as cotton...
C27H34N2O4S Vert brillant CAS 633-03-4 Indicateurs acide-base Colorants biologiques Teintures
Chemical Reagents Brilliant Green CAS 633-03-4 Acid-base indicators Biological Stains Dyes Introduction: Green sandy substance with golden luster. Soluble in cold and hot water, the aqueous solution is green. Uses: 1. Used for dyeing cotton, silk, acrylic and linen. Also used for dyeing paper and ...
Rouge de méthyle sel de sodium CAS 845-10-3 Colorants biologiques et indicateurs acide-base
Chemical Reagents Bromocresol Green CAS 76-60-8 Cell Stains Biological Stains Acid-base Indicators Introduction: Bromocresol green is also known as 3,3',5,5'-tetrabromo-m-cresolsulfonylphthalide and γ-Sultone. It is precipitated from acetic acid as fine light yellow crystals. Relative molecular ...
C21H14Br4O5S Vert de bromocrésol CAS 76-60-8 Colorants biologiques cellulaires Indicateurs acide-base
Chemical Reagents Bromocresol Green CAS 76-60-8 Cell Stains Biological Stains Acid-base Indicators Introduction: Bromocresol green is also known as 3,3',5,5'-tetrabromo-m-cresolsulfonylphthalide and γ-Sultone. It is precipitated from acetic acid as fine light yellow crystals. Relative molecular ...
C14H14N3NaO3S Indicateur de méthylorange CAS 547-58-0 Colorants biologiques et acide-base
Chemical Reagents Methyl Orange CAS 547-58-0 Biological Stains and Acid-base Indicators Introduction: Water-soluble eosin Y is a chemically synthesized acidic dye that dissociates into negatively charged anions in water and combines with positively charged cations of the amino groups of proteins to ...
Éosine Y Rouge acide 87 CAS 17372-87-1 Colorants biologiques et indicateurs chimiques
Chemical Reagents Eosin Y/Acid Red 87 CAS 17372-87-1 Biological Stains and Chemical Indicators Introduction: Water-soluble eosin Y is a chemically synthesized acidic dye that dissociates into negatively charged anions in water and combines with positively charged cations of the amino groups of ...
Colorant de Giemsa en poudre noire CAS 51811-82-6 Colorants biologiques Réactifs analytiques de diagnostic
Chemical Reagents Giemsa stain CAS 51811-82-6 Biological Stains Diagnostic Reagents Analytical Reagents - colorants Introduction: Giemsa stain can be used as a dye intermediate and analytical reagent. It is used to determine indole, skatole, urea blue, tryptophan and ergot alkaloids, and is also ...
