Phân dụng phòng thí nghiệm
O-Cresolphthalein Complexone 2411-89-4 C32H32N2O12 Chỉ số phức tạp vết bẩn
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 Neocuproine CAS 484-11-7 Chất phản ứng xác định đồng
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 Bột Đỏ Congo Chỉ thị hấp phụ axit-bazơ
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 Màu xanh rực rỡ CAS 633-03-4 Các chỉ số cơ sở axit
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 ...
Methyl Red Sodium Salt CAS 845-10-3 Vết bẩn sinh học và chỉ số acid 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 Xanh bromocresol CAS 76-60-8 Thuốc nhuộm sinh học tế bào Chỉ thị axit-bazơ
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 Methyl Orange Indicator CAS 547-58-0 Vết bẩn sinh học và acid 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 ...
Eosin Y Acid Red 87 CAS 17372-87-1 Thuốc nhuộm sinh học và Chất chỉ thị hóa học
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 ...
Bột đen Giemsa stain CAS 51811-82-6 Vết bẩn sinh học Chẩn đoán phân tích
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 ...