nh4cl

Overview

氯化銨(化學式:NH4Cl)無色立方晶體或白色結晶,其味咸涼有微苦。易溶於水和液氨,並微溶於醇;但不溶於丙酮和乙醚。水溶液呈弱酸性,加熱時酸性增強。 由於銨離子的配位性,氯化銨溶液對金屬有腐蝕性,特別對銅腐蝕更大。

制備 ·

20/1/2019 · NH4Cl是氯化铵的化学式,氯化铵简称氯铵。多为制碱工业的副产品,外表示一种八面体的小结晶。这种产品有两种工艺:一是侯式制碱法,会陈胜纯碱和氯化铵两种产品。另一种是

狀態: 發問中

Ammonium chloride | NH4Cl or ClH4N | CID 25517 – structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. WELCOME TO PUBCHEM!

中文名 氯化铵 英文名 ammonium chloride 别 称 电盐、电气药粉、盐精、硇砂 化学式 NH4Cl 分子量 53.49 CAS登录号 12125-02-9 EINECS登录号 235-186-4 熔 点 340 C (subl.)(lit.) 沸 点 520 水溶性 易溶 密 度 1.527g/cm3 外 观 白色

Looking for online definition of NH4Cl or what NH4Cl stands for? NH4Cl is listed in the World’s largest and most authoritative dictionary database of abbreviations and acronyms NH4Cl – What does NH4Cl stand for? The Free Dictionary https://acronyms

Sigma-Aldrich offers Aldrich-254134, Ammonium chloride (NH4Cl) for your research needs. Find product specific information including CAS, MSDS, protocols and references. Mesoporous Titanium Dioxide Thin Films Titanium dioxide (TiO2) is an important n-type

21/9/2007 · NH3 + HCl → NH4Cl [edit] Applications Ammonium chloride is sold in blocks at hardware stores for use in cleaning the tip of a soldering iron and can also be included in solder as flux.

NH4Cl + NaOH equation? | Yahoo 知識+ 24/3/2013
what bonding is NH4Cl??? | Yahoo 知識+ 5/1/2010

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10/8/2018 · 氯化铵是离子型化合物,易溶于水,在水中电离出铵根和氯离子。氯化铯晶体模型 在熔融状态,形成可自由移动的铵根和氯离子,从而可以导电。 氯化铵由于铵根的半径为143pm,接近钾离子(133pm)和铷离子(149pm)的半径,因而铵盐性质类似于碱金属盐类,而且往往与钾盐和铷盐同晶,并有相

10/10/2018 · In this video we will describe the equation NH4Cl + H2O and write what happens when NH4Cl is dissolved in water. When NH4Cl is dissolved in H2O (water) it

作者: Wayne Breslyn

Chlorure d’ammonium Identification DCI ammonium chlorure Nom UICPA Chlorure d’ammonium N o CAS N o ECHA N o CE 235-186-4 Code ATC B05 G04 N o E E510 Apparence solide blanc Propriétés chimiques Bibliographie Jöns Jakob Berzelius, Traité de chimie minérale, végétale et animale, Volume 4, F. Didot, 1831., Volume 4, F. Didot, 1831.

N CAS: 12125-02-9
 · PDF 檔案

Ammonium Chloride Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/02/2016 EN (English US) 3/7 SECTION 6: Accidental release measures 6.1. Personal precautions, protective

15/3/2015 · This video discusses the reaction between (sodium hydroxide) NaOH + NH4Cl (ammonium chloride). This double replacement reaction is a gas evolution reaction.

作者: The Organic Chemistry Tutor

염화 암모늄(Ammonium Chloride, Sal Ammoniac)은 암모늄염의 일종이다. 화학식은 NH4Cl이다. 북정사(北庭砂), 염안(鹽安)이라고도 한다.

CAS 번호: 12125-02-9

塩化アンモニウム(えんかアンモニウム、ammonium chloride)は、化学式 NH4Cl、式量 53.50 [2]の塩。別名塩安 (Muriate)[2]。工業薬品JIS K1441-86、試薬JIS K8116-92、食品添加物[2]。 古代ラテン語名のSal Ammoniac(アモンの塩)とも呼ばれるが、これはかつてエジプトの

E番号: E510 (pH調整剤、固化防止剤)

El cloruro de amonio, cloruro amónico o clorhidrato amónico es una sal de amonio cuya fórmula química es NH4Cl. Es conocido también con los nombres de: sal de amoníaco, sal amoníaco, almohatre o almojáter. Su punto de evaporación es tomado como referencia en la escala de temperatura Fahrenheit.

Fórmula semidesarrollada: NH₄Cl

Cloreto de Amóniopt, Cloreto de Amôniobr ou ainda sal amoníaco é o composto químico inorgânico de fórmula NH4Cℓ. É um sal cristalino e branco, altamente solúvel em água. Soluções de cloreto de amônio são levemente ácidas. O nome 「sal amoníaco」 designa a forma natural desse composto, que pode ser encontrada em depósitos

Fórmula molecular: NH₄Cl

Chlorek amonu (łac. Ammonii chloridum; nazwa zwyczajowa: salmiak, NH4Cl) – nieorganiczny związek chemiczny, sól kwasu solnego i amoniaku. Występuje naturalnie jako rzadki minerał salmiak rodzimy.

Numer CAS: 12125-02-9

Il cloruro di ammonio (altresì noto come sale di ammonio, NH4Cl) è il sale di ammonio dell’acido cloridrico. Nella sua forma pura è un sale cristallino bianco, solubile in acqua, di sapore piccante. In natura è rintracciabile presso regioni vulcaniche, dove si forma sopra rocce vulcaniche vicino a sfiati emananti vapori. Il cristallo

Numero CAS: 12125-02-9

优质解答 NH4Cl是强酸弱碱盐,溶液显酸性.按照布朗斯台德酸碱质子理论,NH4+是酸(因为可以解离出质子),NH4+的解离常数Ka可以

Many translated example sentences containing 「Nh4cl」 – Chinese-English dictionary and search engine for Chinese translations. Translator Translate texts with the world’s best machine translation technology, developed by the creators of Linguee. Linguee Look up

HCl-NH4Cl混合液中各组分含量的测定 – 太原师范学院 设计性实验报告 题 目: 盐酸-氯化铵混合液中各组分含量的测定 分析化学实验 课程名称: 姓 学 系 专 班 名: 号: 别:

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14/2/2020 · Ammonium chloride (NH 4 Cl), also called sal ammoniac, the salt of ammonia and hydrogen chloride. Its principal uses are as a nitrogen supply in fertilizers and as an electrolyte in dry cells, and it is also extensively employed as a constituent of galvanizing, tinning, and soldering fluxes to

15/10/2010 · Sodium would be a solid since it is a metal and the product should be water, ammonia, and salt (NaCl). Also, chlorine is a diatomic when in gas state, so in your solution it should be written as Cl2 (g). But the correct answer should be NH4Cl(s) + NaOH (aq

Хлорид аммония (хлористый аммоний; техническое название — нашаты́рь) — неорганическое соединение, соль аммония с химической формулой NH4Cl, белый кристаллический слегка гигроскопичный

Молярная масса: 53,49 г/моль

Strukturformel Allgemeines Name Ammoniumchlorid Andere Namen Ammoniummuriat Ammoniaksalz Lötstein Salmiak E 510 Summenformel NH 4 Cl Kurzbeschreibung Bitte die Befreiung von der Kennzeichnungspflicht für Arzneimittel, Medizinprodukte, Kosmetika,

Andere Namen: Ammoniummuriat,

緩衝溶液(德語:Pufferlösung;英語:buffer solution;法語:solution tampon)指由「弱酸及其共軛鹼之鹽類」或「弱鹼及其共軛酸之鹽類」所組成的緩衝對配製的,能夠在加入一定量其他物質時減緩pH改變的溶液 [1]。 前述定義中之所以要兩種成對物質,是因為反應

原理 ·

The pKa of ammonium chloride (NH4Cl) is 9.24 (source: http://evans.rc.fas.harvard.edu/pdf/evans_pKa_table.pdf) pKa is a logarithmic measure of

18/8/2010 · 所以氯化銨溶液呈酸性,如上圖(a)所示。事實上除了銨根離子可解離外,氯離子亦可進行水解而產生HCl與OH-離子。然由於氯離子的Ka值甚小(3.0 × 10^-23),可不予考慮,因此NH4Cl溶解時所引起的pH值變化主要是由銨離子水解反應所引起,0.10 M的NH4Cl

[化學]水解反應方程式 | Yahoo奇摩知識+ 26/3/2011
如何配製pH10的緩衝溶液(氨水/氯化銨) | Yahoo奇摩知識+ 2/7/2008
化學問題~離子 分子 傻傻分不清楚 | Yahoo奇摩知識+ 10/12/2007
NH3+HCl–>NH4Cl 在水中會反應嗎? | Yahoo奇摩知識+ 10/4/2007

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22/8/2010 · NH4Cl + NaNO3 → NaCl +NH4NO3 But this reaction would not proceed because once again the supposed 「products」 are soluble in water. All that you will get is a solution containing a mixture of Na+ , NH4+ Cl- and NO3- ions. There is no reaction, and so no

藥為一種抗組織胺類的「抗過敏」藥,主要使用於過敏反應所引起的皮膚發紅及發癢的現象,以及其他過敏反應,如花粉過敏或傷風感冒引起的流鼻水、打噴婕、眼睛發紅及眼睛

28/10/2008 · NH4Cl溶於水為酸性既能糾正鹼中毒也能補充Cl-,不過肝功能障礙患者不宜使用,因NH4Cl需經肝代謝。目的:其實重點不在於酸化或鹼化尿液本身 是酸化或鹼化身體的ph值 因為過酸或鹼對身體都不好 若尿液為鹼性,容易形成尿結晶,所以酸化尿液可以減少結晶的

TCC’s Ammonium Chloride, NH4Cl, is an inorganic, mildly acidic, white crystalline salt compound that is highly soluble in water. The mineral is commonly formed on burning coal dumps due to condensation of coal-derived gases. It is also found around some types

Ammonium perchlorate (「AP」) is an inorganic compound with the formula NH4ClO4. It is a colorless or white solid that is soluble in water. It is a powerful oxidizer. Combined with a fuel, it can be used as a rocket propellant. Its instability has involved it in a number of accidents, such as the PEPCON disaster.

Chemical formula: NH₄ClO₄

Ammoniumchloride (NH4Cl) is het ammoniumzout van waterstofchloride (HCl). Het is ook bekend onder de naam salmiak. Het is een wit kristallijn poeder dat zeer goed oplosbaar is in water.

Molmassa: 53,50 g/mol

NH4Cl Ammonium Chloride MSDS Sheet, Aadhunik Industries Ankleshwar Gujarat – Manufacturers India Aadhunik Industries is a manufacturing group company.Aadhunik Industries is pioneer manufacturers of Specialty Chemicals, Pharmaceutical

I hope this helps clear things up. Step 1: ammonium chloride dissociation NH4Cl -> NH4+ + Cl- Step 2: ammonium acts as a weak acid NH4+ + H2O H3O+ + NH3 Step 2 is an equilibrium with a rather small Ka, so there is only a small amount of NH3

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pKa Table.1 11/4/05 1:43 PM D.H. Ripin, D.A. Evans *Values 14 for water and >35 for DMSO were extrapolated using various methods.

Search results for nh4cl at Sigma-Aldrich ADVANCED SEARCH STRUCTURE SEARCH CERT OF ANALYSIS SDS SEARCH Sigma-Aldrich ® Products ANALYTICAL / CHROMATOGRAPHY » Standards & Reference Materials Gas Chromatography LC-MS

qcal = 209.2 Since the calorimeter recieves the heat, and the water loses it.

ブリタニカ国際大百科事典 小項目事典 – 塩化アンモニウムの用語解説 – 化学式 NH4Cl 。無色の結晶または白色粒状の固体。冷たい辛みがある。いくぶん潮解性。比重 1.54 。 337.8 で昇華し,NH3 と HCl に解離する。水に易溶。水溶液はほぼ中性であるが,煮沸するとアンモニアが抜けて,塩化水素が

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Table of Acids with Ka and pKa Values* CLAS Acid HA A-Ka pKa Acid Strength Conjugate Base Strength Hydroiodic HI I- Hydrobromic HBr Br- Perchloric HClO4 ClO4 Hydrochloric HCl Cl- Chloric HClO3 ClO3- Sulfuric (1) H2SO4 HSO4 Nitric HNO3 NO3

离子方程式书写规则: ①写:写出化学反应方程式 ②拆:把易溶于水、易电离的物质写成离子形式,难容难电离的物质及气体等仍用化学式表示 ③删:删去方程式两边不参加反应的离子 ④查:检查离子方程式两边各元素的原子个数和电荷总数是否相等

NH4Clはどうして酸性になるのですか?これはどのように反応して出来たものですか?また、H2SO4+2NH3はどうして(NH4)2SO4になるのですか? NH₄Clは水溶液中で電離して

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Introduction to the concepts of reversible reactions and a dynamic chemical equilibrium through detailed explanation and example descriptions. The rules on the effect of temperature, pressure and concentration on the position of an equilibrium are also covered.

当往某些溶液中加入一定量的酸和碱时,有阻碍溶液pH变化的作用,称为缓冲作用,这样的溶液叫做缓冲溶液。弱酸及其盐的混合溶液(如HOAc与NaOAc),弱碱及其盐的混合溶液(如NH3·H2O与NH4Cl)等

Ammoniumkloridi eli salmiakki (NH4Cl) on puhtaana valkoinen, vesiliukoinen 28,3 g/100ml H2O (25 °C) ja pistävän makuinen kiteinen suola. Se sublimoituu eli muuttuu kiinteästä olomuodosta suoraan kaasumaiseksi lämpötilassa 338 °C. Lisää kuumennettaessa se hajoaa ammoniakiksi ja vetykloridiksi. Ammoniumkloridin vesiliuos on

Molekyylikaava: NH₄Cl

Pulmonary insufficiency, cardiac edema, severe renal impairment (do not give NH4Cl alone if concomitant sodium loss). Risk of ammonia toxicity (monitor). Monitor patients CO2 combining power prior to intravenous (IV) administration to avoid serious acidosis.