Table 1.
Adsorption of RNA on synthetic minerals formed by double-decomposition reactions.a
| MgCl2 | CaCl2 | SrCl2 | BaCl2 | MnCl2 | ||
| Na2B4O7 | no PPT | 86% | 87% | 95% | 87% | |
| Na2CO3 | magnesite 77% |
calcite 86% |
strontianite 90% |
witherite 95% |
rhodochrosite 89% |
|
| Na2PO4b | 64% | apatite 93% |
strontium apatite 84% |
barium apatite 32% |
metaswitzerite 86% |
|
| Na2SO4 | no PPT | gypsum 2% |
celestine 71% |
baryte 88% |
no PPT | |
| Na3VO4 | magnesium coulsonite 78% |
cavoite 92% |
73% | 85% | ansermetite 38% |
|
| Na2HAsO4 | 6% | johnbaumite 73% |
4% | gurimite 30% |
61% | |
| NaF | no PPT | fluorite no PPT |
72% | 15% | no PPT | |
| FeCl2 | FeCl3 | CoCl2 | NiCl2 | CuCl2 | ZnCl2 | |
| Na2B4O7 | 88% | no PPT | 87% | 94% | 96% | 93% |
| Na2CO3 | siderite 65% |
no PPT | cobalite 95% |
94% | malachite 73% |
smithsonite 93% |
| Na2PO4b | vivianite 68% |
30% | pakhomovskyte 80% |
75% | libethenite 84% |
hopeite 6% |
| Na2SO4 | 22% | no PPT | no PPT | no PPT | no PPT | no PPT |
| Na3VO4 | fervanite 2% |
46% | 2% | 12% | 73% | 17% |
| Na2HAsO4 | 75% | 10% | erythrite 12% |
49% | lammerite 79% |
adamite 62% |
| NaF | 24% | 29% | no PPT | no PPT | 43% | no PPT |
aNo PPT: no precipitate observed. For some minerals, the name of the natural species is reported. bNa3PO4 + NaHPO4.