อุปกรณ์ห้องปฏิบัติการ
O-Cresolphthalein Complexone 2411-89-4 C32H32N2O12 สีย้อม ตัวบ่งชี้เชิงซ้อน
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 ตัวปฏิกิริยาในการกําหนดทองแดง การสังเคราะห์อินทรีย์
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 ผงคองโกเรด ตัวบ่งชี้การดูดซับกรดเบส
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 สีเขียวสดใส CAS 633-03-4 ตัวชี้แจงฐานกรด
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 ...
เกลือโซเดียมสีแดงเมธีล CAS 845-10-3 คราบทางชีววิทยาและตัวชี้แจงฐานกรด
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 บรอมอเครซอลกรีน CAS 76-60-8 สีย้อมชีวภาพของเซลล์ ตัวบ่งชี้กรดเบส
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 ตัวบ่งชี้เมทิลออเรนจ์ CAS 547-58-0 สีย้อมชีวภาพและกรดเบส
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 สีย้อมชีวภาพและตัวบ่งชี้ทางเคมี
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 ...
ผงสีดำย้อม Giemsa CAS 51811-82-6 สีย้อมชีวภาพ น้ำยาทดสอบวินิจฉัยและวิเคราะห์
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 ...