پیدا شد 90 محصولات برای "

chemical reagents

C14H14N3NaO3S شاخص رنگ نارنجی متیل CAS 547-58-0 لکه های بیولوژیکی و پایه اسیدی

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 ...

CAS 523-21-7 سدیم رودیزونات C6Na2O6 عوامل رنگ آمیزی بیولوژیکی

Chemical Reagents Sodium Rhodizonate CAS 523-21-7 C6Na2O6 Biological Staining Agents Chemical Indicators Introduction: Appearance: Purple or brown-black crystals Melting point: 300 °C Bulk density: 620kg/m3 Storage conditions: Store at +15°C to +25°C. Uses: Used for the determination of barium, ...

محصولات بهداشتی بافر PH HEPES CAS 7365-45-9 بافر هیبریداسیون

PH Buffers Health Care Products HEPES CAS 7365-45-9 Hybridization Buffer Introduction: 4-Hydroxyethylpiperazineethanesulfonic acid (HEPES) is an important hydrogen ion buffer, which has good buffering capacity in the pH range of 6.8 to 8.2 and can control a constant pH for a long time. The ...

عامل تمیز کننده کاهنده واسطه آلی دی اکسید تیو اوره CAS 1758-73-2 حساس کننده امولسیون عکاسی

Reduction Cleaning Agent Organic Intermediate Thiourea Dioxide CAS 1758-73-2 Photographic emulsion sensitizer Introduction: Thiourea dioxide is also known as carboxamidine sulfinic acid and aminoiminomethanesulfinic acid. It is a stable compound with neither oxidizing nor reducing properties. It is ...

پودر متیل نارنجی C14H14N3NaO3S شاخص های پایه اسید CAS 547-58-0

Chemical Reagents Methyl Orange CAS 547-58-0 Orange Powder Acid-base Indicators Introduction: Orange-yellow powder or crystalline flakes. One part of the product can be dissolved in 500 parts of water. It is easily soluble in hot water and almost insoluble in alcohol. Uses: Used as an acid-base ...

C21H14Br4O5S سبز بروموکرسول CAS 76-60-8 رنگ‌های زیست‌شناسی سلولی شاخص‌های اسید و باز

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 ...

نمک سدیم قرمز متیل CAS 845-10-3 لکه های بیولوژیکی و شاخص های اسید پایه

CAS 573-58-0 نشانگر جذب اسید پایه پودر قرمز کنگو

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 سبز درخشان CAS 633-03-4 نشانگرهای اسید و باز رنگ‌های بیولوژیکی رنگ‌ها

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 ...