aqua regia造句
1. In aqua regia medium continuous determination of silver, copper, lead and high content of zinc is based on choosing the sub- sensitivity curve of zinc and maintaining constant content of chlorine ion.
2. After decomposition with potassium chlorate and aqua regia as well as applying nickelous nitrate as basic body improving agent, the ashing temperature is increased.
3. In "aqua regia" and soaked for several years, titanium, still shiny, shiny!
4. While sample was dissolved in aqua regia, tartaric acid as complex reagent was added in order to prevent stibium from volatilizing .
5. The aqua regia and chlorination leaching provided a rapid rate of dissolution, however, special attention should be given to strong oxidation and corrosion of reagents.
6. With traditional aqua regia decomposition of roasted ore samples, the measurement result is usually lower than the true one.
7. Samples were dispersed in 50%(V/V) aqua regia and agitated magnetically to obtain well-proportioned and stable sample solutions.
8. It is lead gray powder with good chemical stability, which is soluble in aqua regia, hot nitric acid and dense nitric acid and insoluble in dilute sulfuric acid and organic solvents.
9. And they seem to behave in a similar way, both in their weight and in their malleability, in their color and how they react to other substances like dissolving in aqua regia.
10. The metal osmium is very stable in the air, the melting point is 2700 degrees Celsius, it does not dissolve in the ordinary acid, will not be corroded in the aqua regia.
11. A new method for the determination of component of gold thin films by ICP-AES is described. The samples were digested with aqua regia at room temperature.
12. The digested method for the samples was studied digests and aqua regia was selected to digest the samples.
13. Superior corrosion resistance , no corrosion in acids 、 alkali and aqua regia.
14. It has a low density and is a strong, shiny, corrosion-resistant to chlorine, sea water and aqua regia, and a transition metal with a silver color.
15. Many in the last yearses, the business enterprise is under president's the aqua regia huai Sir's leadership, business enterprise accomplishment make rapid progress, booming development.
16. After the female rice type surfboard first 4 rounds had finished, Chinese team's aqua regia good places the first place temporarily.
17. The method that dead body destroys after they commit murder is to use aqua regia.
18. Microelement zinc content in the traditional Tibetan medicine labeled "Zuo Zhi Da Xie", was measured by dithizone spectrophotometric method with the samples dissolved in aqua regia.
19. Characterization of sludges - Determination of trace elements and phosphorus - Aqua regia extraction methods.
20. The results show that the proposed fibre is highly stable in structure and can adsorb gold even from aqua regia solution.
21. It is simple to determine Ag in gold ore by adopting Atomic Absorption Spectrum (AAS) with aqua regia dissolving ore sample and CCL4 extraction it.