当前位置：首页 > 产品中心

k2cr2o7

重铬酸钾化工百科 ChemBK

中文名:重铬酸钾,英文名:Potassium dichromate,CAS:,化学式:Cr2K2O7,分子量:2941846,密度:714g/mLat 25°C (lit),熔点:398 °C (lit),沸点:82°C,闪点:50°F,水溶性:125 用途是一种氧化性杀菌剂，其杀菌机理与液氯相似。工业循环水中一般用次氯酸钠次氯酸钠

Potassium Dichromate K2Cr2O7 CID 24502 PubChem

Potassium Dichromate K2Cr2O7 or Cr2K2O7 CID 24502 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, 重铬酸钾（potassium dichromate）别名为红矾钾，是一种有毒且有致癌性的强氧化剂，室温下为橙红色三斜晶体或针状晶体，溶于水，不溶于乙醇。分子式 :K2Cr2O7，分子量重铬酸钾搜狗百科

k2cr2o7 搜狗百科

k2cr2o7是重铬酸钾的化学式，是一种强氧化剂，有毒，可用于制铬矾、火柴、铬颜料等。本词条介绍了k2cr2o7的物理性质、化学性质、作用与用途、使用注意事项、制备、环境影重铬酸钾是一种亮橙色的强氧化剂，可用于制造烟火、火烧药和涂料等。它有毒，可引起皮肤、眼睛和呼吸道的损伤，需注意防护和处理。重铬酸钾 K2Cr2O7,

K2Cr2O7 (重铬酸钾) 摩尔质量 ChemicalAid

重铬酸钾元素质量百分比氧 111996g 氧 111996g 鉻 103992g 鉻 103992g 鉀 781966g 鉀 781966g K2Cr2O7 原子# 氧 7 氧 7 鉀 2 鉀 2 鉻 2 鉻 2 计算摩尔质量 K2Cr2O7 (重铬重铬酸钾 CAS 分析级 (max 0% Hg) EMSURE® ACS,ISO Find MSDS or SDS, a COA, data sheets and more information重铬酸钾 CAS Merck

铬酸钾 ChemicalBook

无机化合物铬酸钾指示剂法重铬酸钾水中溶解度 (g/100ml) 毒性铬酸钾试剂级价格铬酸钾 CAS号: 英文名: Potassium chromate 英文别名: CHROMATE;Chromium Structure, properties, spectra, suppliers and links for: potassium dichromate, , K2Cr2O7potassium dichromate Cr2K2O7 ChemSpider

k2cr2o7 搜狗百科

K2Cr2O7，为重铬酸钾的化学式，橙红色三斜晶体或针状晶体。可由重铬酸钠与氯化钾或硫酸钾进行复分解反应而制得。溶于水，不溶于乙醇。用于制铬矾、火柴、铬颜料、并供鞣革、电镀、有机合成等用。中文名：重 (chóng)铬酸钾外文名： Potassiumdichromate Potassium dichromate is one of the most widely used chemical reagents in inorganic chemistry Learn more about potassium dichromate its formula, structure, properties, uses, at BYJU'SPotassium Dichromate Preparation, Properties, Formula,

Preparation, Properties and Uses of K2Cr2O7, and KMnO4

Learn about Preparation, properties, and uses of K2Cr2O7, and KMnO4 in detail to ace your competitive examsPotassium dichromate is a weaker oxidizing agent than KMnO4 or Ce (IV) However, it is a primary standard and its solutions have long lasting stability in acid and are stable to light, to most organic matter, and to chloride ion It is always used in acid solutionsPotassium Dichromate an overview ScienceDirect Topics

Oxidation of Aldehydes and Ketones Chemistry LibreTexts

This page looks at ways of distinguishing between aldehydes and ketones using oxidizing agents such as acidified potassium dichromate(VI) solution, Tollens' reagent, Fehling's solution and Benedict's Structure, properties, spectra, suppliers and links for: potassium dichromate, , K2Cr2O7potassium dichromate Cr2K2O7 ChemSpider

K2Cr2O7 (重铬酸钾) 摩尔质量 ChemicalAid

重铬酸钾元素质量百分比氧 111996g 氧 111996g 鉻 103992g 鉻 103992g 鉀 781966g 鉀 781966g K2Cr2O7 原子# 氧 7 氧 7 鉀 2 鉀 2 鉻 2 鉻 2 计算摩尔质量 K2Cr2O7 (重铬酸钾)的摩尔质量和分子量为 {1，数字}。OXIDATION OF ALCOHOLS This page looks at the oxidation of alcohols using acidified sodium or potassium dichromate (VI) solution This reaction is used to make aldehydes, ketones and carboxylic acids, and as a way of distinguishing between primary, secondary and tertiary alcoholsOXIDATION OF ALCOHOLS chemguide

146: Oxidation Reactions of Alcohols Chemistry LibreTexts

146: Oxidation Reactions of Alcohols is shared under a license and was authored, remixed, and/or curated by LibreTexts Alcohols can be oxidized using acidified sodium or potassium dichromate (VI) solution This reaction has been used historically as a way of distinguishing between primary, secondary and tertiary This page looks at some aspects of chromium chemistry It includes: reactions of chromium(III) ions in solution (summarised from elsewhere on the site); the interconversion of the various oxidation Chemistry of Chromium Chemistry LibreTexts

Potassium Dichromate Potassium Permanganate

Potassium Dichromate Learn about potassium dichromate (K2Cr2O7) and potassium permanganate (KMnO4) along with the preparation and properties of these compounds FAQs of potassium dichromate and potassium permanganate also provided with VideoPotassium dichromate has the structural formula K2Cr2O7 It is composed of two potassium ions and one negatively charged dichromate ionPotassium Dichromate: Preparation, Properties, Reactions,

K2Cr2O7的物理和化学性质？百度知道

也用作鞣革剂，搪瓷工业的着色剂，媒介染料媒染剂，合成香料和有机合成氧化剂和催化剂 K2Cr2O7的物理和化学性质？物理性质【性状】橙红色三斜晶体或针状晶体。【密度】相对密度2676（25℃）【溶解性】20℃时在水中的溶解度是12克。溶于水，不溶于 A hexavalent chromium compound that acts as a common inorganic chemical reagent is called potassium dichromate The chemical formula of potassium dichromate is K2Cr2O7 It is used in many industrial applications and laboratories as a conventional oxidizing agent Being hexavalent, potassium dichromate is highly toxic in nature and harmful to Potassium Dichromate Formula, Properties Uses Vedantu

Oxidation by Chromic Acid Chemistry LibreTexts

15384 One of the reagents that is commonly used for oxidation in organic chemistry is chromic acid This reagent is straightforward to use once deciphered However, there are a vast number of different ways that textbooks (and instructors) show it being used in reactions Chromic acid, H 2 CrO 4, is a strong acid and a reagent for oxidizing Potassium Dichromate is a hexavalent chromium compound Its oxidising qualities are less potent than potassium permanganatePotassium Dichromate (K2Cr2O7): Properties, Reactions and

二クロム酸カリウム Wikiwand

二クロム酸カリウム（にクロムさんカリウム、potassium dichromate）は化学式 K2Cr2O7 で表される橙赤色の無機化合物である。柱状の結晶。重クロム酸カリウムとも呼ばれる。融点は398℃、500℃で酸素を放出して分解する。水に可溶、エタノールに不溶。I read on Wikipedia and in many books that when $\\ce{K2Cr2O7}$ is reduced, it forms $\\ce{Cr^3+}$ and a change is noticed from orange color to green I want to know in what exact complex/salt/compouWhat exactly is formed when K2Cr2O7 is reduced?

K2Cr2O7 – Potassium Dichromate Molar mass, Uses, and

Do you want to know the molar mass of potassium dichromate along with its uses and other properties? If yes, then check out this blog post on K2Cr2O7 to know all the informationK2Cr2O7，为重铬酸钾的化学式，橙红色三斜晶体或针状晶体。可由重铬酸钠与氯化钾或硫酸钾进行复分解反应而制得。溶于水，不溶于乙醇。用于制铬矾、火柴、铬颜料、并供鞣革、电镀、有机合成等用。中文名：重 (chóng)铬酸钾外文名： Potassiumdichromate k2cr2o7 搜狗百科

Potassium Dichromate Preparation, Properties, Formula,

Potassium dichromate is one of the most widely used chemical reagents in inorganic chemistry Learn more about potassium dichromate its formula, structure, properties, uses, at BYJU'SLearn about Preparation, properties, and uses of K2Cr2O7, and KMnO4 in detail to ace your competitive examsPreparation, Properties and Uses of K2Cr2O7, and KMnO4

Potassium Dichromate an overview ScienceDirect Topics

Potassium dichromate is a weaker oxidizing agent than KMnO4 or Ce (IV) However, it is a primary standard and its solutions have long lasting stability in acid and are stable to light, to most organic matter, and to chloride ion It is always used in acid solutionsThis page looks at ways of distinguishing between aldehydes and ketones using oxidizing agents such as acidified potassium dichromate(VI) solution, Tollens' reagent, Fehling's solution and Benedict's Oxidation of Aldehydes and Ketones Chemistry LibreTexts

potassium dichromate Cr2K2O7 ChemSpider

Structure, properties, spectra, suppliers and links for: potassium dichromate, , K2Cr2O7重铬酸钾元素质量百分比氧 111996g 氧 111996g 鉻 103992g 鉻 103992g 鉀 781966g 鉀 781966g K2Cr2O7 原子# 氧 7 氧 7 鉀 2 鉀 2 鉻 2 鉻 2 计算摩尔质量 K2Cr2O7 (重铬酸钾)的摩尔质量和分子量为 {1，数字}。K2Cr2O7 (重铬酸钾) 摩尔质量 ChemicalAid

OXIDATION OF ALCOHOLS chemguide

OXIDATION OF ALCOHOLS This page looks at the oxidation of alcohols using acidified sodium or potassium dichromate (VI) solution This reaction is used to make aldehydes, ketones and carboxylic acids, and as a way of distinguishing between primary, secondary and tertiary alcohols146: Oxidation Reactions of Alcohols is shared under a license and was authored, remixed, and/or curated by LibreTexts Alcohols can be oxidized using acidified sodium or potassium dichromate (VI) solution This reaction has been used historically as a way of distinguishing between primary, secondary and tertiary 146: Oxidation Reactions of Alcohols Chemistry LibreTexts

粉碎机的原理与结构粉碎机的原理与结构粉碎机的原理与结构