蜜臀一区二区三区,盗摄,天天干,天天日,无码gif

你好,歡迎訪問濟(jì)南金昊化工有限公司!

專注品質(zhì),信賴服務(wù)

我們用心做產(chǎn)品服務(wù)

咨詢熱線:

13655318786

新聞中心

您現(xiàn)在的位置: 網(wǎng)站首頁>>新聞中心了解什么是過硫酸銨

了解什么是過硫酸銨

來源:http://www.bj1866.cn/ 日期:2024-11-12 發(fā)布人: 瀏覽次數(shù):0

20230330114953637過硫酸銨也是過硫化鈣 (APS),是一種無機(jī)化合物,分子式為 (NH4)2S2O8。 它是一種無色(白色)鹽,極易溶于水,比相關(guān)的鉀鹽更易溶解。 它是一種強(qiáng)氧化劑,用作高分子化學(xué)中的催化劑、蝕刻劑以及清潔劑和漂白劑。

  Ammonium persulfate, also known as calcium persulfate (APS), is an inorganic compound with the molecular formula (NH4) 2S2O8. It is a colorless (white) salt that is highly soluble in water and more soluble than related potassium salts. It is a strong oxidant used as a catalyst, etchant, cleaner, and bleach in polymer chemistry.

  過硫酸銨因其強(qiáng)大的氧化性能而被用于蝕刻印刷電路板上的銅,作為氯化鐵溶液的替代品。 這個(gè)屬性是多年前發(fā)現(xiàn)的。 1908 年,John William Turrentine 使用稀過硫酸銨溶液蝕刻銅。 在將銅螺旋放入過硫酸銨溶液中一小時(shí)之前,Turrentine 稱重了銅螺旋。 一小時(shí)后,再次稱重螺旋并記錄被過硫酸銨溶解的銅量。 這個(gè)實(shí)驗(yàn)擴(kuò)展到其他金屬,如鎳、鎘和鐵,所有這些都產(chǎn)生了相似的結(jié)果。

  Ammonium persulfate is used to etch copper on printed circuit boards as a substitute for ferric chloride solution due to its strong oxidizing properties. This attribute was discovered many years ago. In 1908, John William Turrentine used a dilute ammonium persulfate solution to etch copper. Turrentine weighed the copper helix one hour before placing it in the ammonium persulfate solution. After one hour, weigh the spiral again and record the amount of copper dissolved in ammonium persulfate. This experiment was extended to other metals such as nickel, cadmium, and iron, all of which produced similar results.

  空氣中含有過硫酸銨的粉塵接觸后可能會(huì)刺激眼睛、鼻子、喉嚨、肺和皮膚。 接觸高濃度粉塵可能會(huì)導(dǎo)致呼吸困難。

  Dust containing ammonium persulfate in the air may irritate the eyes, nose, throat, lungs, and skin upon contact. Exposure to high concentrations of dust may cause difficulty breathing.

  已經(jīng)注意到過硫酸鹽是哮喘作用的主要原因。 此外,有人提出,接觸過硫酸銨會(huì)導(dǎo)致在美發(fā)行業(yè)工作的美發(fā)師和接待員出現(xiàn)哮喘病。 這些哮喘效應(yīng)被認(rèn)為是由半胱氨酸殘基以及甲硫氨酸殘基的氧化引起的。

  It has been noted that persulfate is the main cause of asthma. In addition, some people have suggested that exposure to ammonium sulfate can lead to asthma in hairdressers and receptionists working in the hairdressing industry. These asthma effects are believed to be caused by the oxidation of cysteine residues and methionine residues.

  本文由過硫酸銨_過硫酸鉀_過硫酸鈉_順酐廠家向大家友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊:http://www.bj1866.cn我們將傾情為您解答.

  This article is a friendly contribution from the manufacturers of ammonium persulfate_potassium persulfate_Sodium persulfate and maleic anhydride For more information, please click: http://www.bj1866.cn We will wholeheartedly provide you with answers

相關(guān)新聞
国产精品亚洲ΑV天堂无码涩涩屋 日本一区二区三区中文字幕 | ...欧美国产精品一区二区三区| 亚洲欧美在线观看久99一区| 亚洲欧美专区| 亚洲第十页视频| 国产成人综合亚洲看片| 日韩欧美中文综合| 波密县| 少妇影院| 日本免费| 亚洲综合欧美日韩| 亚洲天堂| 美丽人妻沦为黑人玩物| 亚洲日本香蕉视频观看视频| 欧美国产综合色视频| 国产精品视频七区| 真人性生活视频| 九九日本频道| 欧美牲交a视频| 久久亚洲 欧美| 青娱乐大香蕉| AV电影影视| 久久精品视频日本| 俄日韩黄色一区二区三区性爱片| 91精品国产一区| 99国产精品久久全免费| 黄片欧美一级黄片| 伊人伊人| av人人| 欧美日韩亚三区| 久久国产亚洲一区二区| www.久久精品| www.99re| 99久久久无码国产精品免费中国| 久久精品国产亚洲欧美| 婷婷久久丁香五月综合| 亚州av一区| 欧美男女乱伦刺激视频| 蜜臀av在线播放免费| 亚洲大片在线观看| 精品久久久久看片免费|