Medium |
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|
| Acetaldehyd |
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| Aceton |
 |
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 |
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| Acetylen |
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| Alaune, wäßrige Lösung |
 |
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 |
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|
| Aluminiumsalze, wäßrige Lösung * |
 |
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 |
 |
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| Ameisensäure |
 |
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| Ammoniak |
 |
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 |
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 |
 |
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| Ammoniumsalze, wäßrige Lösung * |
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| Anilin |
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 |
 |
 |
 |
 |
 |
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| Asphalt |
 |
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* Salze sind: Nitrate, Nitrite, Sulfate, Sulfide, Chloride, Acetate, Tartrate, Cyanide, Phosphate, Oxalate usw.
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