hydrofluoric in English

adjective

of or derived from hydrofluoric acid (Chemistry)

Use "hydrofluoric" in a sentence

1. Hydrofluoric acid The hydrofluoric acid is in the form of a paste or a gel and is used for glass etching.

2. Alumin-NU is a safe alternative to hydrofluoric and sulfuric acids

3. Dissolves slowly in hydrofluoric acid and in hot concentrated sulfuric acid.

4. Azeotrope tables and Hydrochloric acid · See more » Hydrofluoric acid

5. New!!: Azeotrope tables and Hydrofluoric acid · See more » Hydroiodic acid

6. Before lift-off they can be dipped in hydrofluoric acid.

7. All alkylation processes: hydrofluoric acid (HF), sulphuric acid (H2SO4) and solid-acid

8. Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water.

9. OK, well out of the top of this column comes hydrofluoric acid - HF.

10. Safety requirements, due to the hazardous nature of hydrofluoric acid, are to be considered

11. The decomposition of the test material is carried out with hydrofluoric acid/perchloric acid.

12. Additionally, samples of 0.25–gram were digested with hydrochloric, nitric, perchloric and hydrofluoric acids.

13. Silicate rocks are treated with hydrofluoric acid and conc. sulfuric acid before the extraction.

14. We describe the diagnostics and specific toxicological treatment of patients with hydrofluoric acid burns.

15. Method for obtaining or recovering nitric acid and hydrofluoric acid from solutions of stainless steel pickling systems

16. Hydrogen fluoride may combine with water vapour to produce an aerosol or fog of aqueous hydrofluoric acid.

17. The hydrofluoric acid is returned to the pickle tank, as is the free acid recovered in the ASU.

18. Deep and extremely painful burns can result from contact with products containing relatively low concentrations of hydrofluoric acid.

19. 5 Hydrofluoric acid is the etching agent for silicate-rich rocks; carbonates can be etched with various weak acids.

20. Otherwise similar compositions containing aqueous hydrofluoric acid usually etch glass in such a way as to reduce its transparency.

21. UN 1052 hydrogen fluoride, anhydrous and UN 1790 hydrofluoric acid containing more than 85 % hydrogen fluoride: tank code L21DH

22. It is only attacked by hydrofluoric acid, and – at elevated temperatures – by strong alkalis and concentrated phosphoric acid.

23. However, it dissolves in hydrofluoric acid, in which it forms an adduct with water, GaF 3·3H 2O.

24. Acyl fluoride groups generate hydrofluoric acid upon contact with water, which ionizes to a proton and a fluoride ion

25. The etching of the glass fiber may be performed utilizing hydrofluoric acid, acidulated phosphate fluoride or the equivalent thereof.

26. Acid polishing is performed by immersion of the glass articles in a polishing bath of hydrofluoric and sulphuric acids.

27. This colorless gas or liquid is the principal industrial source of fluorine, often as an aqueous solution called hydrofluoric acid.

28. A pickling solution devoid of nitric acid and containing a mixture of sulphuric acid and hydrofluoric acid can, for instance, be used.

29. Acidulated phosphate fluoride (APF) gels, containing 12 300 ppm F − (1.23% APF) consist of a mixture of sodium fluoride, hydrofluoric acid and orthophosphoric acid

30. Method for reducing and controlling hexafluorosilicate concentration during the polishing of glass objects in a polishing bath containing sulphuric acid and hydrofluoric acid

31. One demonstrated manifestation is in the deterministic optical figuring of thin glasses by wet chemical etching using a buffered hydrofluoric acid solution and Marangoni effect.

32. The aerosol samples collected on membrane filters of 1.2 μm mean pore diameter are digested with a mixture of perchloric, nitric, and hydrofluoric acid.

33. A spectrophotometric method has been developed for the determination of trace amounts of titanium in hydrofluoric acid (semi-conductor grade) using 9-methyl-2,3,7-trihydroxy-6-fluorone.

34. The novel and inventive etching composition in accordance with the present invention comprises hydrofluoric acid, nitric acid, acetic acid and an alkali iodide, preferably potassium iodide.

35. Disclosed is an etching fluid for electronic devices, comprising: a transition metal and/or a transition metal salt; and a hydrofluoric acid and/or a fluoride salt.

36. An etching method, wherein a mask having a film containing at least chromium and oxygen is formed on a glass substrate, and etching is performed using a hydrofluoric acid-based etchant.

37. The invention therefore is advantageous in that it dispenses with the use of photosensitive resin, buffering hydrofluoric acid and acetone, and with at least four steps of solar cell manufacturing methods.

38. (5) Fluorite (also called fluorspar) is used mainly for the production of hydrofluoric acid (which in turn is used largely to make aluminium fluoride, for the production of aluminium by electrolysis).

39. A vacuum heater also needed to be de-coked, and the Alky unit, which uses hydrofluoric acid that will corrode all metal parts when exposed to water, needed to be dried to a -40 [degrees]F dew point

40. The present invention relates to a device for detecting a leakage of an acidic solution, and more particularly to a device for detecting a leakage of a poisonous acidic solution such as sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, etc.

41. Corrosion agents are generally used as Acidoid like hydrofluoric acid, dilute hydrochloric acid, nitric acid or other types of acidic substances, fluoride, etc.,The main function is to clean the surface of stainless steel stains and oxide film; Nitric acid solution is used alone to remove free iron and other metal dirt is effective, but invalid

42. To attain the abovementioned effect, the present invention provides a non-aqueous electrolyte for a lithium secondary battery comprising an additive for preventing the production of hydrofluoric acid from a fluoride-based lithium salt in the range of 0.3 to 3 wt%, based on the total amount of an electrolyte, in an electrolyte including a non-aqueous organic solvent and a fluoride-based lithium salt, and a lithium secondary battery including same.