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 | 1,289.73 | 1,215.46 | 1,647.91 | 1,525.82 | 53.75% | 1,526.36 | 1,474.67 |
| 2 | smidlikac | 1,392.16 | 1,438.27 | 1,838.40 | 1,765.37 | 53.57% | 1,704.22 | 1,790.67 |
| 3 | H2SO4_ | 1,197.98 | — | 1,456.14 | — | 50.96% | 1,370.91 | — |
| 4 | H2SO4_666 | 1,600.25 | — | 2,040.32 | — | 57.02% | 1,626.14 | — |
| 5 | Jetyl | 1,587.64 | — | 2,211.24 | — | 55.58% | 1,978.23 | — |
| 6 | NULA__2013 | 1,533.63 | 1,760.82 | 2,313.69 | 2,944.93 | 54.75% | 2,272.19 | 3,068.15 |
| 7 | Dixo27 | 1,427.91 | — | 2,002.64 | — | 54.04% | 1,915.04 | — |
| 8 | NameAlreadyRegistered | 1,265.83 | — | 1,641.49 | — | 53.54% | 1,634.53 | — |
| 9 | Packa6666 | 1,251.51 | 1,140.88 | 1,687.03 | 1,596.63 | 52.72% | 1,529.18 | 1,698.23 |
| 10 | xHaryx | 1,338.93 | — | 1,767.91 | — | 54.26% | 1,472.85 | — |
| 11 | jarek572 | 1,145.80 | — | 1,407.55 | — | 52.29% | 1,285.92 | — |
| 12 | Plukovnik_Volic | 1,029.34 | — | 1,262.18 | — | 50.13% | 1,236.25 | — |
| 13 | alfa27 | 1,103.79 | 683.93 | 1,171.46 | 970.09 | 51.84% | 1,000.46 | 931.16 |
| 14 | Jenda125 | 928.22 | 923.54 | 1,091.74 | 1,075.62 | 49.65% | 1,013.37 | 748.87 |
| 15 | sarypex | 938.45 | 963.48 | 1,120.77 | 1,262.90 | 49.74% | 1,030.40 | 1,061.26 |
| 16 | Raist5 | 986.20 | — | 1,166.96 | — | 50.00% | 1,044.55 | — |
| 17 | Maty2021 | 888.91 | 630.01 | 988.57 | 776.59 | 48.31% | 939.93 | 764.28 |
| 18 | IDWolf11 | 833.43 | 942.01 | 963.68 | 882.32 | 47.18% | 903.65 | 657.54 |
| 19 | Kraksna | 1,035.39 | — | 1,112.29 | — | 51.58% | 769.38 | — |
| 20 | Vonndy | 898.94 | — | 927.16 | — | 50.53% | 623.70 | — |
| 21 | Bersek82 | 712.14 | — | 642.06 | — | 48.27% | 533.80 | — |
| 22 | Mixtapefree | 692.55 | — | 732.10 | — | 46.79% | 637.18 | — |
| 23 | mulu_10 | 595.14 | 394.20 | 607.55 | 273.73 | 46.03% | 536.16 | 251.38 |
| 24 | hbfan | 647.82 | — | 616.46 | — | 47.92% | 453.46 | — |
| 25 | Radek_2019 | 34.34 | — | 60.12 | — | 47.06% | 6.59 | — |
| 26 | NihonKomi | 488.86 | 444.08 | 482.85 | 416.63 | 44.50% | 316.71 | 235.77 |
[H2SO4] members previous clans
[H2SO4] recent activity
- NihonKomiJoined24 Jun 2026 at 16:30
- PyronLeft28 Dec 2025 at 20:30
- anonym_WXFufHIAJbsTLeft29 Sep 2024 at 01:30
- mulu_10Recruit → Combat Officer21 Mar 2023 at 22:30
- mulu_10Joined21 Mar 2023 at 19:00
- jarek572Recruit → Combat Officer11 Dec 2022 at 21:00
- jarek572Joined10 Dec 2022 at 23:30
- Raist5Recruit → Combat Officer18 Apr 2021 at 21:30
- Raist5Joined18 Apr 2021 at 07:00
- Jenda125Joined13 Apr 2021 at 18:00
- Maty2021Recruit → Combat Officer13 Apr 2021 at 18:00
- Jenda125Recruit → Combat Officer13 Apr 2021 at 18:00
- Maty2021Joined10 Feb 2021 at 19:00
- MixtapefreeRecruit → Combat Officer13 Apr 2019 at 08:00
- MixtapefreeJoined12 Apr 2019 at 19:00
- NULA__2013Recruit → Combat Officer10 Apr 2019 at 21:00
- NULA__2013Joined10 Apr 2019 at 20:30
- Radek_2019Recruit → Combat Officer16 May 2018 at 23:00
- Radek_2019Joined17 Mar 2018 at 19:30
- IDWolf11Recruit → Combat Officer10 Mar 2018 at 10:00
- Dixo27Recruit → Combat Officer10 Mar 2018 at 10:00
- Dixo27Joined5 Mar 2018 at 16:30
- IDWolf11Joined4 Mar 2018 at 14:30
- PyronJoined5 Feb 2018 at 20:30
- Plukovnik_VolicRecruit → Combat Officer5 Feb 2018 at 20:30
- PyronRecruit → Combat Officer5 Feb 2018 at 20:30
- Plukovnik_VolicJoined3 Oct 2017 at 21:00
- NameAlreadyRegisteredRecruit → Combat Officer14 Apr 2017 at 13:00
- JetylRecruit → Combat Officer14 Apr 2017 at 13:00
- JetylJoined8 Apr 2017 at 19:00
