DE272429C - - Google Patents
Info
- Publication number
- DE272429C DE272429C DENDAT272429D DE272429DA DE272429C DE 272429 C DE272429 C DE 272429C DE NDAT272429 D DENDAT272429 D DE NDAT272429D DE 272429D A DE272429D A DE 272429DA DE 272429 C DE272429 C DE 272429C
- Authority
- DE
- Germany
- Prior art keywords
- thorium
- sulfuric acid
- lead
- radioactive
- mesothorium
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 3
- 229910052776 Thorium Inorganic materials 0.000 claims description 3
- 230000029087 digestion Effects 0.000 claims description 3
- HCWPIIXVSYCSAN-YPZZEJLDSA-N radium-224 Chemical compound [224Ra] HCWPIIXVSYCSAN-YPZZEJLDSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002285 radioactive effect Effects 0.000 description 5
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 4
- 229910052590 monazite Inorganic materials 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 159000000009 barium salts Chemical class 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F15/00—Compounds of thorium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Extraction Or Liquid Replacement (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE272429C true DE272429C (en:Method) |
Family
ID=528994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT272429D Active DE272429C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE272429C (en:Method) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234046A (en) * | 1992-07-29 | 1993-08-10 | Cmi International, Inc. | Method of eliminating shrinkage porosity defects in the formation of cast molten metal articles using polystyrene chill |
| US5765624A (en) * | 1994-04-07 | 1998-06-16 | Oshkosh Truck Corporation | Process for casting a light-weight iron-based material |
| US5896911A (en) * | 1996-03-29 | 1999-04-27 | Caterpillar Inc. | Process for making a selectively reinforced ground engaging tool component |
-
0
- DE DENDAT272429D patent/DE272429C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234046A (en) * | 1992-07-29 | 1993-08-10 | Cmi International, Inc. | Method of eliminating shrinkage porosity defects in the formation of cast molten metal articles using polystyrene chill |
| US5765624A (en) * | 1994-04-07 | 1998-06-16 | Oshkosh Truck Corporation | Process for casting a light-weight iron-based material |
| US5896911A (en) * | 1996-03-29 | 1999-04-27 | Caterpillar Inc. | Process for making a selectively reinforced ground engaging tool component |
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