Chemically mea matautia - o mea faitino (pe suʻesuʻega, faalapotopotoga po o kamupani) e teuina avanoa, gaosia, faaaogāina po o le felauaiga o vailaau matautia e mafai ona faaleagaina ai le soifua maloloina o le bliznahodyaschegosya faitau aofai o tagata. Lē gata i lea, o le aofaiga o mea aveina i mea chemically matautia sili atu i le a faitotoa aoga, ma i lo latou faafanoga e mafai ona aafia ai tagata, manu ma le siosiomaga lautele. Chemically mea matautia o vailaau, faamamaina suauu, aano o manu ma le susu ma le gaosiga o meaai, ma se faavae ma nofoaga e teu ai le malulu o loo tu i le faiga refrigeration, i loo faaaogaina amonia lea. Gata i lea, mea faitino chemically matautia - o se vai togafitiga ma pulp ma Mills pepa, lea i le faagasologa o la latou galuega e faaaoga chlorine faapea foi uafu, nofoaga o nofoaafi, o lo oi ai e ala ai le taavale oloa ma mea chemically matautia. Foi mo lenei ituaiga o mea faitino e faatatau matua so o se feaveaiina - ona o se uila po o se vaalele, lea e tauaveina oloa chemically matautia. Chemically mea matautia ai ma le faatuina o le faasaienisi, ituaiga faafomai po o aoaoga, ua i ai o latou lava fale suesue vailaau. O iinei e mafai ona faaopoopo atili ma warehouses, nofoaga autu ma isi nofoaga o teu ai vailaau, ma fanuatanu lāpisi, lea "malolo" o chemically mea matautia ma isi otaota tau alamanuia. O le tele o taimi e faaaoga e mea matautia acids (nitric ma acid sulfuric), sulfide hydrogen, amonia, carbon disulfide, chlorine ma isi vailaau.
Faavasegaina o chemically matautia mea faitino e mafai ona tauaveina e tusa ai ma taiala faataatitia eseese:
- toxicity;
- numera;
- teuina tekinolosi mea matautia chemically faalavelave tutupu faafuasei;
- gaosiga foliga (fua po o taumafaina faalavelave faafuasei chemically mea matautia).
Chemically matautia mea vaevaeina foi i 4 vasega.
| vasega | O le aofai o tagata e ulufale atu i le eria ua aafia i se faalavelave tau vailaau (i le faitau afe) | Le faataamilosaga o le sone puipuiga mama o loo siomia ai le mea faitino (i le mita) | Pasene o le faitau aofai o tagata o loo aafia pea i le eria o le faaleagaina vailaau tuuaia |
| 1 | sili atu nai lo le 75 | 1000 | sili atu i lo le 50 |
| 2 | 75-40 | 500 | 50-30 |
| tolu | itiiti ifo i lo le 40 | 300 | 30-10 |
| 4 | 0 | 100 | itiiti ifo i lo le 10 |
Faaalia mea chemically matautia tuuina atu se faamatalaga le mafanafana e uiga i lo latou saogalemu. So o se faalavelave faafuasei chemically matautia mea e mafai ona faigofie ona "faalavelave" i le siosiomaga, na mafua ai lenei ona i vaega tele o le faitau aofai o tagata. Foi e liliu mai i latou ua faapea ona faaleagaina le lalolagi i fafo ona o physico-vailaau ma oona meatotino a nei mea. Le meatotino e sili ona taua ma e taua iinei e pei o taimi flash, flash taofia ma pupuna, tulaga faaletino, corrosiveness, solubility, ogatasi, density, vevela o evaporation, volatility, diffusion coefficient, hydrolysis ma uunaiga ausa. Ae o loo i ai le tele o isi meatotino, taaalo foi a matafaioi i le "ola" o nei mea matautia ma, o se taunuuga, 0 i olaga o tagata.