DE3900848C2 - - Google Patents
Info
- Publication number
- DE3900848C2 DE3900848C2 DE19893900848 DE3900848A DE3900848C2 DE 3900848 C2 DE3900848 C2 DE 3900848C2 DE 19893900848 DE19893900848 DE 19893900848 DE 3900848 A DE3900848 A DE 3900848A DE 3900848 C2 DE3900848 C2 DE 3900848C2
- Authority
- DE
- Germany
- Prior art keywords
- hot air
- tar
- gun
- test tubes
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000002845 discoloration Methods 0.000 claims description 8
- 239000007857 degradation product Substances 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/42—Road-making materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893900848 DE3900848A1 (de) | 1988-10-01 | 1989-01-13 | Verfahren und vorrichtung zur qualitativen bestimmung von teerhaltigen bestandteilen in ausbauasphalten |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3833507 | 1988-10-01 | ||
| DE19893900848 DE3900848A1 (de) | 1988-10-01 | 1989-01-13 | Verfahren und vorrichtung zur qualitativen bestimmung von teerhaltigen bestandteilen in ausbauasphalten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3900848A1 DE3900848A1 (de) | 1990-04-05 |
| DE3900848C2 true DE3900848C2 (https=) | 1992-04-16 |
Family
ID=25872807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893900848 Granted DE3900848A1 (de) | 1988-10-01 | 1989-01-13 | Verfahren und vorrichtung zur qualitativen bestimmung von teerhaltigen bestandteilen in ausbauasphalten |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3900848A1 (https=) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD113407A1 (https=) * | 1974-02-15 | 1975-06-05 |
-
1989
- 1989-01-13 DE DE19893900848 patent/DE3900848A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3900848A1 (de) | 1990-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DEUTAG AG, 50679 KOELN, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DEUTAG GMBH & CO. KG, 50679 KOELN, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: WALTERSCHEN, HORST, 46236 BOTTROP, DE ZUERN, LOTHA |
|
| 8339 | Ceased/non-payment of the annual fee |