acid base indicators
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CAS 573-58-0 مؤشر امتصاص الأساس الحمضي في مسحوق الكونغو الأحمر
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...
الأساس الحمضي بروموثيمول Blue Indicator المواد الكيميائية البيولوجية CAS 76-59-5 الصبغات
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 ...
كواشف كيميائية أخضر أساسي 4 رقم السجل التجاري 569-64-2 مؤشرات الامتصاص الحمضي القاعدي
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 ...
كريستال أبيض أورثو-كريسول فثالين CAS 596-27-0 مؤشرات الحمض والقاعدة
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 كاشف ميثيل البرتقالي رقم السجل الكيميائي 547-58-0 بقع بيولوجية وقواعد حمضية
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 ...
مؤشرات الحمض والقاعدة المواد الكيميائية اليومية ثيمول الأزرق CAS 76-61-9 البقع البيولوجية
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 بروموكريسول أخضر CAS 76-60-8 البقع البيولوجية الخلوية مؤشرات قاعدة الأحماض
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 ...
كريسول الأحمر CAS 1733-12-6 C21H18O5S مؤشر قاعدة الحمض لجهاز الصبغ البيولوجي
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 ...
