查询词典 sodium fluoride

Methods Under the acid condition, fluorine could be separated by distillation, then fluorine is absorbed by washing liquid. The electricity lead detection-ion chromatogram with Ionpac AS14 column was employed to determine the content of fluoride, 3.5 mmol/L of sodium carbonate-1.0 mmol/L of soda as the washing liquid at 1.2 ml/ mm.

氟在酸性条件下，蒸馏分离，蒸出的氟化氢被淋洗液吸收，采用电导检测－离子色谱仪和IonpacAS14色谱柱，3.5 mmol/L碳酸钠－1.0 mml/L碳酸氢钠为淋洗液，流量为1.2 ml/min，样品及标准系列在酸性条件下经水蒸气蒸馏－吸收，直接进样测定。

It divided into two steps to prepare cryolite from fluosilicic acid, in the second step, cryolite is manufactured through the reaction of the ammonium fluoride solution with the sodium sulfate and the aluminum sulfate.

氟硅酸制取冰晶石分两步进行，第二步用得到的氟化铵溶液与硫酸钠和硫酸铝反应制冰晶石。

Therefore can pass to use the cupric sulfate sulfuric acid potassium for the catalyst take sulfuric acid as to carry the body to digest it, make the amino acids chelate match the conversion for dissolve sex easily of ammonium sulfate and white vitriol, then absorb a fixed amount to try the kind to join 40% sodium hydroside combine under the steam heat function make ammonia the spirit swims to leave out, through cool off to respond the born boric acid with boric acid, be got the total nitrogen content by the standard aqua titration of hydrochloric acid immediately after;But the white vitriol can immediately join the hydrochloric acid hydroxylate , fluoride to turn the in order to cover up, carry on the titration but get the content of its zinc with the EDTA mark liquid..

因此可以通过用硫酸铜硫酸钾为催化剂以硫酸为载体将其消化，使氨基酸螯合锌转化为易溶性的硫酸铵和硫酸锌，然后吸取一定量的试样加入40 %的氢氧化钠并在水蒸气高温作用下使氨气游离出来，经冷却与硼酸反应生成硼酸铵，接着由盐酸标准溶液滴定得到总氮含量；而硫酸锌即可加入盐酸羟铵、氟化氢铵为掩蔽剂，用EDTA标液进行滴定而得到其锌的含量。

As a useful fluorinated product,hexafluoropropene trimers can be prepared from hexafluoropropene oligomerization by gas phase-and liquid phase-methods,and many fluorocarbon surfactants such as full-fluoride nonene oxygen benzene sodium can be derived from perfluorinated nonene.

六氟丙烯可通过气相和液相法进行聚合制得六氟丙烯三聚物，即全氟壬烯，全氟壬烯可以进一步衍生出如全氟壬烯氧基苯磺酸钠等多种氟碳表面活性剂，是一种比较有用的含氟产品。

The effects of sodium silico-fluoride on the zeta-potential, hydrophility and adsorption of styryl phosphonic acid of diaspore particle surfaces have been systematically studied.

系统研究了氟硅酸钠对一水硬铝石表面ζ电位、亲水程度及苯乙烯膦酸吸附的影响，提出了苯乙烯膦酸浮选金红石与一水硬铝石时氟硅酸钠对一水硬铝石的选择性抑制作用机理。

Proteins were separated by 12% sodium dodecyl sulfate-polyacrylamide gel electrophoresis and blotted onto polyvinylidene fluoride membranes.

用12 ％十二烷基硫酸钠-聚丙烯酰胺凝胶电泳分离蛋白质再转移到PVDF膜。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

Chemical raw materials: The main raw materials include a variety of electroplating and metal surface treatment agent, such as acetic acid in the Czech Republic, nickel, copper acetate, nickel fluoride, cobalt sulfate, cobalt acetate, hydrofluoric acid, Yunnan tin sodium, Taiwan's Ya-tin pyrophosphate, oron the anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of the Prince of water, oil derusting water, the United States steel at room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color.

六、化工原料：主要包括各种电镀原料及金属表面处理剂，如中捷的醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、云南的锡酸钠、台湾的焦磷酸亚锡、奥龙的阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊水、除油除锈水、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

Some of the other minerals found in this supplement include boron, chromium, cobalt, cesium, copper, he fluoride, gold, iodine, lithium, manganese, molybdenum, nickel, potassium sodium chloride, phosphorus, selenium, silicon, sulfur, vanadium, and zinc.

其他一些矿物的发现，在这方面的补充，包括硼，铬，钴，铯，铜，他氟化物，黄金，碘，锂，锰，钼，镍，钾，氯化钠，磷，硒，硅，硫，钒，和锌。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。