Kyselina sírová (zastarale též vitriol) je silná dvojsytná kyselina. Je jednou z nejdůležitějších průmyslově ve velkém množství vyráběných chemikálií. Její sumární vzorec je H2SO4, který značí, že se skládá ze dvou atomů vodíku, jednoho atomu síry a čtyř atomů kyslíku.
Kyselina sírová je v koncentrovaném stavu hustá olejnatá kapalina, neomezeně mísitelná s vodou. Ředění této kyseliny je silně exotermní proces. Koncentrovaná (96–98 %) má silné dehydratační a oxidační účinky (zvlášť za horka). Je hygroskopická, tj. pohlcuje vodní páry. Je velmi nebezpečnou žíravinou, způsobuje dehydrataci (zuhelnatění) organických látek. Zředěná kyselina oxidační schopnosti nemá a reaguje s neušlechtilými kovy za vzniku vodíku a síranů. Kyselina sírová je velmi reaktivní, reaguje téměř se všemi kovy kromě železa (v koncentrovaném stavu jej pasivuje), olova, zlata, platiny a wolframu, 20% vodný roztok nereaguje s mědí.
[H2SO4] members random battles stats
| # | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1 | HellUpton | 1,290.50 | 1,106.73 | 1,649.02 | 1,484.42 | 53.77% | 1,548.11 | 1,519.47 |
| 2 | smidlikac | 1,392.26 | 1,331.15 | 1,838.74 | 1,644.49 | 53.55% | 1,731.36 | 1,779.79 |
| 3 | H2SO4_ | 1,197.98 | — | 1,456.14 | — | 50.96% | 1,370.91 | — |
| 4 | Jetyl | 1,587.64 | — | 2,211.24 | — | 55.58% | 1,978.23 | — |
| 5 | NULA__2013 | 1,530.92 | 1,855.93 | 2,306.89 | 3,194.74 | 54.74% | 2,304.52 | 3,297.26 |
| 6 | Dixo27 | 1,427.91 | — | 2,002.64 | — | 54.04% | 1,915.04 | — |
| 7 | NameAlreadyRegistered | 1,265.83 | — | 1,641.49 | — | 53.54% | 1,634.53 | — |
| 8 | Packa6666 | 1,251.83 | 1,230.71 | 1,687.52 | 1,686.88 | 52.72% | 1,548.42 | 1,793.47 |
| 9 | xHaryx | 1,338.93 | — | 1,767.91 | — | 54.26% | 1,472.85 | — |
| 10 | jarek572 | 1,145.80 | — | 1,407.55 | — | 52.29% | 1,285.92 | — |
| 11 | Plukovnik_Volic | 1,029.34 | — | 1,262.18 | — | 50.13% | 1,236.25 | — |
| 12 | alfa27 | 1,104.55 | 1,144.08 | 1,171.80 | 1,517.40 | 51.85% | 1,016.68 | 1,383.56 |
| 13 | Jenda125 | 928.21 | 1,350.22 | 1,091.18 | 1,877.71 | 49.65% | 1,031.58 | 1,551.66 |
| 14 | sarypex | 939.40 | 981.83 | 1,121.00 | 1,322.28 | 49.75% | 1,050.60 | 1,165.36 |
| 15 | Raist5 | 986.20 | — | 1,166.96 | — | 50.00% | 1,044.55 | — |
| 16 | Maty2021 | 895.61 | 696.35 | 994.53 | 916.37 | 48.43% | 955.57 | 925.02 |
| 17 | IDWolf11 | 833.10 | — | 962.48 | — | 47.15% | 921.62 | — |
| 18 | Kraksna | 1,035.39 | — | 1,112.29 | — | 51.58% | 769.38 | — |
| 19 | Vonndy | 898.94 | — | 927.16 | — | 50.53% | 623.70 | — |
| 20 | Bersek82 | 712.14 | — | 642.06 | — | 48.27% | 533.80 | — |
| 21 | Mixtapefree | 692.55 | — | 732.10 | — | 46.79% | 637.18 | — |
| 22 | mulu_10 | 595.14 | 394.20 | 607.55 | 273.73 | 46.03% | 536.16 | 251.38 |
| 23 | hbfan | 647.82 | — | 616.46 | — | 47.92% | 453.46 | — |
| 24 | Radek_2019 | 34.34 | — | 60.12 | — | 47.06% | 6.59 | — |
| 25 | H2SO4_666 | 1,600.25 | — | 2,040.32 | — | 57.02% | 1,626.14 | — |
| 26 | NihonKomi | 488.86 | 444.08 | 482.85 | 416.63 | 44.50% | 316.71 | 235.77 |
[H2SO4] members previous clans
[H2SO4] recent activity
- NihonKomiJoinedJun 24, 2026 at 4:30 PM
- PyronLeftDec 28, 2025 at 8:30 PM
- anonym_WXFufHIAJbsTLeftSep 29, 2024 at 1:30 AM
- mulu_10Recruit → Combat officerMar 21, 2023 at 10:30 PM
- mulu_10JoinedMar 21, 2023 at 7:00 PM
- jarek572Recruit → Combat officerDec 11, 2022 at 9:00 PM
- jarek572JoinedDec 10, 2022 at 11:30 PM
- Raist5Recruit → Combat officerApr 18, 2021 at 9:30 PM
- Raist5JoinedApr 18, 2021 at 7:00 AM
- Jenda125JoinedApr 13, 2021 at 6:00 PM
- Maty2021Recruit → Combat officerApr 13, 2021 at 6:00 PM
- Jenda125Recruit → Combat officerApr 13, 2021 at 6:00 PM
- Maty2021JoinedFeb 10, 2021 at 7:00 PM
- MixtapefreeRecruit → Combat officerApr 13, 2019 at 8:00 AM
- MixtapefreeJoinedApr 12, 2019 at 7:00 PM
- NULA__2013Recruit → Combat officerApr 10, 2019 at 9:00 PM
- NULA__2013JoinedApr 10, 2019 at 8:30 PM
- Radek_2019Recruit → Combat officerMay 16, 2018 at 11:00 PM
- Radek_2019JoinedMar 17, 2018 at 7:30 PM
- IDWolf11Recruit → Combat officerMar 10, 2018 at 10:00 AM
- Dixo27Recruit → Combat officerMar 10, 2018 at 10:00 AM
- Dixo27JoinedMar 5, 2018 at 4:30 PM
- IDWolf11JoinedMar 4, 2018 at 2:30 PM
- PyronJoinedFeb 5, 2018 at 8:30 PM
- Plukovnik_VolicRecruit → Combat officerFeb 5, 2018 at 8:30 PM
- PyronRecruit → Combat officerFeb 5, 2018 at 8:30 PM
- Plukovnik_VolicJoinedOct 3, 2017 at 9:00 PM
- NameAlreadyRegisteredRecruit → Combat officerApr 14, 2017 at 1:00 PM
- JetylRecruit → Combat officerApr 14, 2017 at 1:00 PM
- JetylJoinedApr 8, 2017 at 7:00 PM
