Tau Lelei o le Phosphorous Acid CAS: 13598-36-2 e le Kamupani Gaosi
Fa'amatalaga
O le phosphorous acid, H3PO3, e diprotic (e faigofie ona fa'a-ionize ni proton se lua), ae le o le triprotic e pei ona fautuaina mai e lenei fua fa'atatau. O le phosphorous acid o se vaeluaga i le sauniuniga o isi vaila'au phosphorous. Talu ai o le sauniuniga ma le fa'aaogaina o le "phosphorous acid" e sili atu ona feso'ota'i ma le tautomer autu, phosphonic acid, e masani ona ta'ua o le "phosphorous acid". O le phosphorous acid o lo'o i ai le fua fa'atatau vaila'au H3PO3, lea e sili ona fa'aalia o le HPO(OH)2 e fa'aalia ai lona uiga diprotic.
Upu tutusa
Asite phosphorous, matuā mama, 98%;
Phosphorus trihydroxide;phosphorustrihydroxide;
Trihydroxyphosphine;PHOSPHOROUSACID,VAEGA;
Phosphonsure; Phosphorous acid, 98%, mama fa'aopoopo; AURORA KA-1076
Fa'aaogāga o le Phosphorous Acid
1. E fa'aaogaina le phosphorous acid e gaosia ai le masima phosphate fa'apalaga e pei o le potassium phosphite, ammonium phosphite ma le calcium phosphite. E a'afia malosi i le sauniaina o phosphites e pei o le aminotris (methylenephosphonic acid) (ATMP), 1-hydroxyethane 1,1-diphosphonic acid (HEDP) ma le 2-phosphonobutane-1,2,4-tricarboxylic Acid (PBTC), ia e fa'aaogaina i le fa'amamāina o le vai e fai ma mea e taofia ai le 'aina o le 'ele'ele. E fa'aaogaina fo'i i fa'agasologa fa'akemikolo e fai ma mea e fa'aitiitia ai le 'ele'ele. O lona masima, lead phosphite e fa'aaogaina e fai ma mea e fa'amautu ai le PVC. E fa'aaogaina fo'i o se mea e muamua i ai i le sauniaina o le phosphine ma o se mea e fa'alava ai i le sauniaina o isi mea e fa'aputu ai le phosphorus.
2. E mafai ona fa'aaogaina le phosphorous acid (H3PO3, orthophosphorous acid) o se tasi o vaega o le tali atu mo le fa'aputuina o mea nei:
α-aminomethylphosphonic acids e ala i le Mannich-Type Multicomponent Reaction
1-aminoalkanephosphonic acids e ala i le amidoalkylation sosoo ai ma le hydrolysis
N-puipuia α-aminophosphonic acids (phospho-isosteres o amino acids masani) e ala i le tali atu o le amidoalkylation
3. Fa'aaogāga Fa'apisinisi: O lenei mea e aoina ai minerale na atia'e talu ai nei ma sa fa'aaogaina muamua lava o se mea e aoina fa'apitoa mo le cassiterite mai minerale e iai le gangue faigata. I luga o le fa'avae o le phosphonic acid, na atia'e ai e Albright ma Wilson se fa'asologa o mea e aoina ai minerale e tele lava mo le fa'a'aisa o minerale oxidic (e pei o le cassiterite, ilmenite ma le pyrochlore). E matua itiiti lava se mea e iloa e uiga i le fa'atinoga o nei mea e aoina ai minerale. O su'esu'ega fa'atapula'a na faia i minerale cassiterite ma rutile na fa'aalia ai o nisi o nei mea e aoina ai minerale e gaosia ai le tele o le froth ae sa matua filifili lava.
Fa'amatalaga o le Phosphorous Acid
| Fa'aputuga | Fa'amatalaga |
| Foliga vaaia | Pa'u tioata pa'epa'e |
| Su'ega (H)3PO3) | ≥98.5% |
| Sulfate(SO4) | ≤0.008% |
| Fosfata(PO4) | ≤0.2% |
| Kloride(Cl) | ≤0.01% |
| U'amea (Fe) | ≤0.002% |
Fa'aputuina o le Phosphorous Acid
25kg/Ato
Teuina: Teu i se nofoaga e tapuni lelei, e tete'e i le malamalama, ma puipui mai le susu.
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