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- uranium acetyl acetonate 乙酰丙酮铀
- By using acetyl acetone as color reagents, the micro-formaldehyde can be determined at the point of 412nm with spectrophotometry. 用乙酰丙酮作显色剂 ,在 412nm处 ,用分光光度法可测定微量甲醛。
- The ionic strength buffer solution is 0.12mol/L TEA hydrochloric acid solution of 0.1mol/L KC1-PH=7. The interference camouflaging agent is 0.004mol/L acetyl acetone. 离子强度调节缓冲液为0.;1mol/L KCl-PH_7的0
- Methods That taurine reacting with formaldehyde and acetyl acetone forming a stable colored-compound was used to determine the content of taurine by spectrophotometry. 方法根据在一定的条件下,牛磺酸与乙酰丙酮和甲醛反应生成带色的配合物,建立了测定牛磺酸的吸光光度法。
- Under the situation of phosphonic acid, the extraction of formaldehyde in dried bean milk cream was carried out by distilling and the formaldehyde was determined by acetyl acetone spectrophotograhy. 磷酸酸化条件下对腐竹样品进行蒸馏,采用乙酰丙酮分光光度法测定甲醛残留量。
- Keywords chromium acetyl acetonate;diphosphinoamine;methylaluminoxane;hexachloroethane;ethylene;oligomerization;octene; 乙酰丙酮铬;二苯基膦胺;甲基铝氧烷;六氯乙烷;乙烯;齐聚;辛烯;
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- acetyl acetone colorimetric test 乙酰丙酮比色法(树脂整理游离甲醛测定法)
- Keywords MBTH;acetyl acetone;formaldehyde; 酚试剂;乙酰丙酮;甲醛;
- chromium acetyl acetonate 乙酰丙酮铬
- titanium acetyl acetonate 四乙酰丙酮络钛
- neodymium acetyl acetonate 乙酰乙酸钕
- Uranium is a lithophile element. 铀是亲石元素。
- Uranium fills interstitial space. 铀充填在颗粒间的空间。
- Uranium is used to fuel nuclear plants. 铀用作核电厂的燃料。
- Highly enriched uranium can be produced in China. 中国现今能生产高富集铀。
- Uranium is abundant in some parts of the world. 铀在世界上某些地方的蕴藏量十分丰富。
- New Mexico leads the nation in uranium mining. 在铀的开采方面,新墨西哥居于全国首位。
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化,把一乙醯基带入(一有机分子)之中
- Uranium should be housed in safe. 铀必须封存在安全装置内。