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- This method has several advantages: manipulation is simple and safe, and less interference in comparison with phenol disulfonic acid method. 與常用的酚二磺酸比色法相比,該方法具有簡便、安全的優點,干擾少、準確度高。
- A sensitive chromogenic reagent,2-(4-chloro-2-phosphophenylazo)-7-(2,4-dichlorophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid(abbreviation:DC-CPA),has been used in the spectrophotometric determination of bismuth. 研究了2-(4-氯-2-膦酸基苯偶氮)-7-(2;4-二氯苯偶氮)-1;8-二羥基-3;6-萘二磺酸(DC-CPA)與鉍的顯色反應.
- The reduction of 4,4'-dinitrostilbene-2,2'-disulfonic acid (DNS) by zero-valant iron is one of the most widely used methods to produce the intermediate of 4,4'-diaminostilbene-2,2'- disulfonic acid (DSD). 4,4』-二硝基二苯乙烯-2,2』-二磺酸(DNS)的零價鐵還原是目前廣泛應用於生產精細化工中間體4,4』-二氨基二苯乙烯-2,2』-二磺酸(DSD)的傳統方法。
- phenol disulfonic acid spectrophotometry 酚二磺酸分光光度法
- dinitro naphthalene disulfonic acid 二硝基萘二磺酸
- SPADNS sulfo phenyl azo dihydroxy naphthalene disulfonic acid 磺苯基偶氮二羥基萘二磺酸
- spectrophotometric method with phenol disulfonic acid 酚二磺酸光度法
- Keywords diaminostilbene disulfonic acid;leather dye;coupling reaction; 二氨基茋二磺酸;偶聯反應;皮革染料;
- He gave me a taste of his acid wit. 他讓我嘗到了他敏銳尖刻之機智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把銀器的表面腐蝕了。
- The Km of PPO on catechol was 1.69mmolIL. PPO對作用底物兒茶酚的Km值為1.;69mmol/L。
- I am doing an experiment of neutralizing acid. 我在做一個中和酸的實驗。
- Can Jones beat Smith? That's the acid test. 瓊斯能擊敗史密斯嗎？那是個嚴峻的考驗。
- Brief Talk on Monitoring Nitrate Nitrogen in Water by Spectrophotometric Method with Phenol Disulfonic Acid 酚二磺酸光度法測定水中硝酸鹽氮的探討
- A salt or an ester of boric acid. 硼酸鹽一種硼酸鹽或硼酸酯
- She dropped acid in high school. 她高中時代服迷幻藥。
- The metal is fretted with the acid. 金屬被酸腐蝕。
- The chemical can behave as an acid. 這種化學製品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金屬蓋子蝕穿了。
