acid base indicators
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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...
สารเคมีชีววิทยา CAS 76-59-5 สารสี
Acid-Base Indicators Biological Chemicals Bromothymol Blue CAS 76-59-5 Dyes Introduction: Bromothymol blue is an acid-base indicator with a color change range of pH 6.0 (yellow) to 7.6 (blue). Ordinary water is neutral, with a pH of about 7, which is almost light green. Bromothymol blue is a ...
รีเจนต์เคมี สีเขียวพื้นฐาน 4 CAS 569-64-2 ตัวชี้วัดการดึงดูดฐานกรด
Chemical Reagents Basic Green 4 CAS 569-64-2 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Green glittering crystals, dissolving in cold and hot water to form a blue-green color Uses: 1. Used as a biological dye. Used for dyeing acrylic fibers, silk, wool, dianhydride ...
คริสตัลสีขาว โอ-ครีซอลฟทาเลอีน CAS 596-27-0 ตัวบ่งชี้กรด-เบส
White Crystal O-Cresolphthalein CAS 596-27-0 Acid-Base Indicators Overview of White Crystal O-Cresolphthalein CAS 596-27-0 Acid-Base Indicators White or reddish yellow crystalline powder. Melting point 223℃, soluble in ethanol, ethe, glacial acetic acid, soluble in dilute alkali to purple, slightly ...
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 ...
ตัวบ่งชี้กรด-เบส เคมีภัณฑ์ประจำวัน ไทมอลบลู CAS 76-61-9 สีย้อมชีวภาพ
Acid-base indicators Daily Chemicals Thymol Blue CAS 76-61-9 Biological stains Introduction: Dark green to dark brown powder. Melting point 221-224 °C (dec.) (lit.). Soluble in alcohol and dilute alkali solutions. Insoluble in water. Stable. Flammable. Its powder may form explosive mixtures with air...
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 ...
Cresol Red CAS 1733-12-6 C21H18O5S ตัวชี้แจงฐานกรดของสารสีทางชีววิทยา
Chemical Reagents Basic Green 4 CAS 569-64-2 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Crystals with green luster, reddish brown powder after grinding. Easily soluble in alcohol and dilute sodium hydroxide solution, slightly soluble in water. Uses: Biological stains, ...
Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator
Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator Overview Neutral red, dark green powder obtained in 50% ethanol. Soluble in water or alcohol, it turns red. Its solubility in water, anhydrous ethanol, and ethylene glycol-ethe is 4%, 1.8%, and 3.75%, respectively. It is insoluble in ...
