1. A process of identifying an organic dye in a work, comprising the steps of:
applying a bead of a polymer gel to a portion of a work;
removing the bead from the work;
applying a SERS substrate to the bead; and
examining the bead in accordance with a surface enhanced Raman scattering technique.
2. The process of claim 1, wherein the polymer gel is selected from the group consisting of 2-hydroxyethyl methacrylate; 2,3-dihydroxypropyl methacrylate; a 1:1 random copolymer of 2,3 dihydroxypropyl methacrylate with 2-hydroxyethyl methacrylate; and a cross-linked hydroxyalkyl methacrylate.
3. The process of claim 1, further comprising loading the bead with a solution containing at least water and a chelating agent.
4. The process of claim 3, wherein the chelating agent is selected from the group consisting of ethylene diamine tetraacetic acid and a sodium salt of ethylene diamine tetraacetic.
5. The process of claim 1, further comprising loading the bead with a solution containing at least an organic solvent and a chelating agent.
6. The process of claim 5, wherein the organic solvent is selected from the group consisting of dimethyl formammide, dimethyl sulfoxide and pyridine.
7. The process of claim 5, wherein an amount of the chelating agent is selected to be in a range extending substantially between 0.1% (weightvolume) to a percentage value at saturation.
8. The process of claim 1, further comprising loading the bead with a solution containing water, an organic solvent and a chelating agent.
9. The process of claim 8, wherein a ratio of the water to the organic solvent is selected to be an intermediate value between 1:10 waterorganic solvent and 10:1 waterorganic solvent.
10. The process of claim 1, wherein the SERS substrate is a silver, gold or copper colloid.
11. The process of claim 1, wherein the SERS substrate is comprised of silver, gold or copper nanoislands.
12. The process of claim 11, further comprising producing the silver, gold or copper nanoislands by evaporation under high vacuum.
13. The process of claim 1, further comprising the step of forming the polymer gel on an end of a sensing device.
14. The process of claim 13, wherein the sensing device is an optical fiber.
15. The process of claim 13, wherein the sensing device is a glass plate pre-coated with silver, gold, or copper nanoislands.
16. The process of claim 1, wherein the bead is applied to the work for a period of substantially between 10 minutes and eight hours.
17. The process of claim 1, wherein the step of removing the bead from the work is carried out without removing a sample from the work.
18. The process of claim 1, wherein the step of examining the bead includes identifying an organic dye in the work.
19. The process of claim 18, wherein the organic dye is an insoluble dye.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An azeotrope-like composition comprising effective azeotrope-like amounts of HFC-152a and CF3I.
2. The azeotrope-like composition of claim 1 which consists essentially of from about 35 to about 55 weight percent of HFC-152a and from about 45 to about 65 weight percent of CF3I.
3. The azeotrope-like composition of claim 1 which consists essentially of from about 35 to about 43 weight percent of HFC-152a and from about 57 to about 65 weight percent of CF3I.
4. The azeotrope-like composition of claim 1 having a boiling point of from about \u221223\xb0 C. to about \u221228\xb0 C. at a pressure of about 14.42 psia.
5. The azeotrope-like composition of claim 1 having a boiling point of from about \u221224\xb0 C. to about \u221228\xb0 C. at a pressure of about 14.42 psia.
6. The azeotrope-like composition of claim 1 having a boiling point of from about \u221225\xb0 C. to about \u221228\xb0 C. at a pressure of about 14.42 psia.
7. The azeotrope-like composition of claim 1 having a boiling point of from about \u221226\xb0 C. to about \u221227.5\xb0 C. at a pressure of about 14.42 psia.
8. An azeotrope-like composition comprising effective azeotrope-like amounts of HFC-152a, HFO-1234 and CF3I.
9. The azeotrope-like composition of claim 8 which consists essentially of from about 10 to about 95 weight percent of HFC-152a, from about 1 to about 70 weight percent of CF3I, and from greater than zero to about 70 weight percent of HFO-1234.
10. The azeotrope-like composition of claim 9 which consists essentially from 20 to about 95 weight percent of HFC-152a, from about 1 to about 65 weight percent of CF3I, and from greater than zero to about 65 weight percent of HFO-1234.
11. The azeotrope-like composition of claim 9 which consists essentially from 20 to about 95 weight percent of HFC-152a, from about 1 to about 65 weight percent of CF3I, and from greater than zero to about 25 weight percent of HFO-1234.
12. The azeotrope-like composition of claim 9 which consists essentially of from about 20 to about 40 weight percent of HFC-152a, from about 35 to about 65 weight percent of CF3I, and from greater than zero to about 15 weight percent of HFO-1234.
13. The azeotrope-like composition of claim 9 having a boiling point of from about \u221223\xb0 C. to about \u221228\xb0 C. at a pressure of about 14.42 psia.
14. The azeotrope-like composition of claim 9 having a boiling point of from about \u221224\xb0 C. to about \u221227\xb0 C. at a pressure of about 14.42 psia.
15. The azeotrope-like composition of claim 9 having a boiling point of from about \u221224.5\xb0 C. to about \u221226.7\xb0 C. at a pressure of about 14.42 psia.
16. A composition comprising an azeotrope-like composition comprising CF3I and azeotrope-like amounts of one or more compounds selected from the group consisting of HFC-152a, and combinations of HFO-1234 and HFC-152a.
17. A composition comprising the composition of claim 16 and at least one adjuvant selected from the group consisting of supplemental lubricants, compatibilizers, surfactants, supplemental flame suppressants, solubilizing agents, dispersing agents, cell stabilizers, cosmetics, polishing agents, medicaments, cleaners, fire retarding agents, colorants, chemical sterilants, stabilizers, polyols, polyol premix components and combinations of two or more of these.
18. A heat transfer composition comprising the composition of claim 17 and wherein said adjuvant comprises at least one lubricant.
19. The heat transfer composition of claim 18 wherein said supplemental lubricant is selected from the group consisting of mineral oil, silicone oil, polyalkyl benzenes (PABs), polyol esters (POEs), polyalkylene glycols (PAGs), polyalkylene glycol esters (PAG esters), polyvinyl ethers (PVEs), poly(alpha-olefins) (PAOs), and combinations of these.
20. The heat transfer composition of claim 19 wherein said adjuvant further includes at least one compatibilizer.
21. The heat transfer composition of claim 20 comprising from about 0.5 to about 5 percent by weight of said at least one compatibilizer.
22. The heat transfer composition of claim 19 wherein said supplemental lubricant(s) together are present in an amount of from about 5 to about 50 percent by weight of the heat transfer composition.
23. The heat transfer composition of claim 18 comprising one or more supplemental flame suppressants.
24. The heat transfer composition of claim 23 wherein said one or more flame suppressant(s) together are present in an amount of from about 0.5% to about 30% by weight of the heat transfer composition.
25. A heat transfer composition comprising an azeotrope-like composition of claim 16.
26. A heat transfer composition comprising at least about 50% by weight of the composition of claim 16.
27. A refrigerant comprising the heat transfer composition of claim 26.
28. A refrigeration system comprising a heat transfer composition of claim 27.
29. A refrigeration system of claim 28 selected from group consisting of automotive air conditioning systems, residential air conditioning systems, commercial air conditioning systems, residential refrigerator systems, residential freezer systems, commercial refrigerator systems, commercial freezer systems, chiller air conditioning systems, chiller refrigeration systems, heat pump systems, and combinations of two or more of these.
30. A blowing agent comprising an azeotrope-like composition of claim 16.
31. A blowing agent comprising at least about 5% by weight of the azeotrope-like composition of claim 16.
32. A foamable composition comprising one or more components capable of forming foam and the azeotrope-like composition of claim 16.
33. The foamable composition of claim 32 wherein said one or more components capable of forming foam comprise one or more components capable of forming foam selected from the group consisting of thermoplastic foams, polystyrene foams, polyethylene foams, low density polyethylene foams, extruded thermoplastic foams, polyurethane foams, and polyisocyanurate foams.
34. The foamable composition of claim 33 further comprising at least one additive selected from the group consisting of dispersing agents, cell stabilizers, surfactants, flame retardants and combinations of two or more of these.
35. A foam formed from the foamable composition of claim 32.
36. A closed cell foam comprising the foam of claim 32.
37. A method of replacing an existing refrigerant contained in a refrigerant system comprising removing at least a portion of said existing refrigerant from said system and replacing at least a portion of said existing refrigerant by introducing into said system a refrigerant composition comprising the composition of claim 16.
38. The method of claim 37 wherein said existing refrigerant is selected from the group consisting of HFC-134a, R-12, HFC-143a, HFC-125, HFC-32, R-500, HFC-152a, and HFC-22 and combinations of these.
39. The method of claim 37 wherein said existing refrigerant is selected from the group consisting of HFC-134a, HFC-143a, HFC-125, HFC-32 and combinations of these.
40. The method of claim 37 wherein said existing refrigerant is selected from the group consisting of HFC-143a, HFC-125, HFC-32 and combinations of these.
41. The method of claim 37 wherein said existing refrigerant system comprises at least a first compressor having a first displacement and further comprising the step of removing said first compressor from the system and inserting in said system at least a second compressor having a larger displacement than said first compressor.
42. The method of claim 37 wherein said existing refrigerant system is selected from the group consisting of automotive air conditioning systems, residential air conditioning systems, commercial air conditioning systems, residential refrigerator systems, residential freezer systems, commercial refrigerator systems, commercial freezer systems, chiller air conditioning systems, chiller refrigeration systems, heat pump systems, and combinations of two or more of these.
43. The method of claim 37 wherein said refrigerant in accordance with claim 1 has a Global Warming Potential (GWP) of not greater than about 1000.
44. A sprayable composition comprising a material to be sprayed and a propellant comprising an azeotrope-like composition of claim 16.
45. The sprayable composition of claim 44 in the form of an aerosol.
46. The sprayable composition of claim 45 wherein said material to be sprayed is selected from the group consisting of cosmetics, cleaning solvent, lubricants and medicinal materials.
47. The sprayable composition of claim 46 comprising a medicinal material and wherein said medicinal material is a drug or a biologically active material.
48. A method of sterilizing an article comprising contacting said article with a composition comprising the composition of claim 16.
49. A method for cooling an article which comprises condensing a heat transfer composition of claim 16 and thereafter evaporating said composition in the vicinity of the article to be cooled.
50. A method for heating an article which comprises condensing a heat transfer composition of claim 16 in the vicinity of the article to be heated and thereafter evaporating said refrigerant composition.
51. A blowing agent comprising at least about 50% by weight of the composition of claim 16.