DE243391C - - Google Patents
Info
- Publication number
- DE243391C DE243391C DENDAT243391D DE243391DA DE243391C DE 243391 C DE243391 C DE 243391C DE NDAT243391 D DENDAT243391 D DE NDAT243391D DE 243391D A DE243391D A DE 243391DA DE 243391 C DE243391 C DE 243391C
- Authority
- DE
- Germany
- Prior art keywords
- litmus paper
- lever
- switching
- arm
- paper strip
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 4
- 238000011109 contamination Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8483—Investigating reagent band
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE243391C true DE243391C (enrdf_load_stackoverflow) |
Family
ID=502520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT243391D Active DE243391C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE243391C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT243391D patent/DE243391C/de active Active
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