<\/span><\/h3>\u0110\u1ed3ng l\u00e0 kim lo\u1ea1i c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n v\u00e0 d\u1eabn nhi\u1ec7t t\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, ch\u1ebf t\u1ea1o linh ki\u1ec7n v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn h\u00f3a ch\u1ea5t. Trong d\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc, \u0111\u1ed3ng \u0111\u1ee9ng sau hydro n\u00ean l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi H2SO4 lo\u00e3ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed3ng kh\u00f4ng th\u1ec3 kh\u1eed ion H\u207a t\u1eeb axit \u0111\u1ec3 t\u1ea1o kh\u00ed H\u2082. Tuy nhi\u00ean, \u0111\u1ed3ng c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi H\u2082SO\u2084 \u0111\u1eb7c n\u00f3ng ho\u1eb7c H\u2082SO\u2084 lo\u00e3ng c\u00f3 m\u1eb7t c\u1ee7a t\u00e1c nh\u00e2n oxy h\u00f3a m\u1ea1nh nh\u01b0 HNO\u2083. Trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y, \u0111\u1ed3ng b\u1ecb oxy h\u00f3a th\u00e0nh mu\u1ed1i \u0111\u1ed3ng(II) sunfat (<\/span>CuSO\u2084<\/b>).<\/span><\/p>\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/b><\/p>- S\u1eed d\u1ee5ng trong \u0111\u01b0\u1eddng \u1ed1ng v\u1eadn chuy\u1ec3n h\u00f3a ch\u1ea5t axit y\u1ebfu.<\/span><\/li>\n\n
- D\u00f9ng trong \u0111i\u1ec7n c\u1ef1c pin v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n ph\u00e2n.<\/span><\/li>\n\n
- L\u00e0m v\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/span><\/li><\/ul>
<\/span>B\u1ea1c (Ag)<\/b><\/span><\/h3>B\u1ea1c l\u00e0 kim lo\u1ea1i qu\u00fd c\u00f3 t\u00ednh tr\u01a1 cao trong m\u00f4i tr\u01b0\u1eddng axit lo\u00e3ng. Khi ti\u1ebfp x\u00fac v\u1edbi H\u2082SO\u2084 lo\u00e3ng, b\u1ea1c kh\u00f4ng ph\u1ea3n \u1ee9ng do kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng kh\u1eed ion H\u207a, n\u00ean \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi H2SO4 lo\u00e3ng Tuy nhi\u00ean, b\u1ea1c c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n trong H\u2082SO\u2084 \u0111\u1eb7c n\u00f3ng ho\u1eb7c trong dung d\u1ecbch c\u00f3 ch\u1ee9a t\u00e1c nh\u00e2n oxy h\u00f3a nh\u01b0 HNO\u2083. Trong m\u00f4i tr\u01b0\u1eddng n\u00e0y, b\u1ea1c s\u1ebd b\u1ecb oxy h\u00f3a th\u00e0nh b\u1ea1c sunfat (<\/span>Ag\u2082SO\u2084<\/b>), l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t \u00edt tan trong n\u01b0\u1edbc.<\/span><\/p>\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/b><\/p>- D\u00f9ng l\u00e0m \u0111i\u1ec7n c\u1ef1c trong c\u00e1c lo\u1ea1i pin \u0111i\u1ec7n h\u00f3a.<\/span><\/li>\n\n
- Ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 y t\u1ebf, thi\u1ebft b\u1ecb x\u00e9t nghi\u1ec7m h\u00f3a sinh.<\/span><\/li>\n\n
- S\u1eed d\u1ee5ng trong ng\u00e0nh trang s\u1ee9c v\u00e0 ch\u1ebf t\u1ea1o h\u1ee3p kim c\u00f3 t\u00ednh kh\u00e1ng \u0103n m\u00f2n cao.<\/span><\/li><\/ul>
![\"\"](\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\")
<\/figure><\/div><\/span>V\u00e0ng (Au) v\u00e0 Platin (Pt)<\/b><\/span><\/h3>V\u00e0ng v\u00e0 platin l\u00e0 hai kim lo\u1ea1i qu\u00fd c\u00f3 \u0111\u1ed9 b\u1ec1n h\u00f3a h\u1ecdc c\u1ef1c k\u1ef3 cao. Ch\u00fang kh\u00f4ng b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi H\u2082SO\u2084 lo\u00e3ng hay th\u1eadm ch\u00ed H\u2082SO\u2084 \u0111\u1eb7c \u1edf \u0111i\u1ec1u ki\u1ec7n th\u00f4ng th\u01b0\u1eddng, n\u00ean c\u0169ng thu\u1ed9c nh\u00f3m kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi H2SO4.\u00a0\u0110\u1ec3 h\u00f2a tan v\u00e0ng v\u00e0 platin, c\u1ea7n s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p n\u01b0\u1edbc c\u01b0\u1eddng toan (g\u1ed3m HCl v\u00e0 HNO\u2083), trong \u0111\u00f3 HNO\u2083 \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e1c nh\u00e2n oxy h\u00f3a.<\/p>
\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/b><\/p>- V\u00e0ng v\u00e0 platin \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed cao c\u1ea5p.<\/span><\/li>\n\n
- Platin l\u00e0 ch\u1ea5t x\u00fac t\u00e1c trong c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u, ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t h\u1eefu c\u01a1.<\/span><\/li>\n\n
- C\u1ea3 hai kim lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong y h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p sinh h\u1ecdc.<\/span><\/li><\/ul>
<\/span>Kim Lo\u1ea1i Nh\u00f3m B\u1ea1ch Kim (Pt, Ir, Rh, Pd)<\/b><\/span><\/h3>C\u00e1c kim lo\u1ea1i thu\u1ed9c nh\u00f3m b\u1ea1ch kim bao g\u1ed3m platin (Pt), iridi (Ir), rhodi (Rh) v\u00e0 palladi (Pd) \u0111\u1ec1u c\u00f3 t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc r\u1ea5t cao. Ch\u00fang l\u00e0 nh\u1eefng kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi H2SO4, ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi axit sunfuric \u0111\u1eb7c trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng.<\/p>
Tuy nhi\u00ean, m\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u01b0 palladi c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng ch\u1eadm v\u1edbi axit sunfuric khi \u0111\u01b0\u1ee3c \u0111un n\u00f3ng m\u1ea1nh, t\u1ea1o ra mu\u1ed1i palladi sunfat.<\/p>
\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/b><\/p>- Platin (Pt):<\/b> L\u00e0m ch\u1ea5t x\u00fac t\u00e1c trong c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u, t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1.<\/span><\/li>\n\n
- Iridi (Ir):<\/b> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u1eb7c bi\u1ec7t c\u1ee7a pin nhi\u00ean li\u1ec7u.<\/span><\/li>\n\n
- Rhodi (Rh):<\/b> \u1ee8ng d\u1ee5ng trong ch\u1ebf t\u1ea1o c\u1ea3m bi\u1ebfn nhi\u1ec7t v\u00e0 trong c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t g\u01b0\u01a1ng.<\/span><\/li>\n\n
- Palladi (Pd):<\/b> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 \u0111\u1ec3 l\u00e0m b\u1ed9 l\u1ecdc kh\u00ed th\u1ea3i.<\/span><\/li><\/ul>
<\/span>Nh\u00f4m (Al) v\u00e0 Ch\u00ec (Pb) – Tr\u01b0\u1eddng H\u1ee3p \u0110\u1eb7c Bi\u1ec7t<\/b><\/span><\/h3>Nh\u00f4m v\u00e0 ch\u00ec c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o m\u1ed9t l\u1edbp m\u00e0ng oxit b\u1ec1n v\u1eefng b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kim lo\u1ea1i, khi\u1ebfn ch\u00fang c\u00f3 t\u00ednh tr\u01a1 t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi h2so4lo\u00e3ng. \u0110\u00e2y l\u00e0 l\u00fd do ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c coi l\u00e0 kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 trong \u0111i\u1ec1u ki\u1ec7n th\u00f4ng th\u01b0\u1eddng..<\/span><\/p>- Nh\u00f4m (Al)<\/b>: Ban \u0111\u1ea7u c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi H\u2082SO\u2084 lo\u00e3ng, nh\u01b0ng l\u1edbp oxit Al\u2082O\u2083 t\u1ea1o ra ngay l\u1eadp t\u1ee9c b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t, ng\u0103n c\u1ea3n ph\u1ea3n \u1ee9ng ti\u1ebfp theo.<\/span><\/li>\n\n
- Ch\u00ec (Pb)<\/b>: M\u1eb7c d\u00f9 ch\u00ec n\u1eb1m tr\u01b0\u1edbc hydro trong d\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc, nh\u01b0ng n\u00f3 c\u0169ng t\u1ea1o m\u1ed9t l\u1edbp ch\u00ec sunfat (PbSO\u2084) kh\u00f4ng tan, ng\u0103n ch\u1eb7n ph\u1ea3n \u1ee9ng v\u1edbi H\u2082SO\u2084 lo\u00e3ng.<\/span><\/li><\/ul>
<\/figure><\/div>\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/b><\/p>- Nh\u00f4m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u ch\u1ecbu \u0103n m\u00f2n trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m v\u00e0 h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n
- Ch\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ebf t\u1ea1o b\u00ecnh \u1eafc quy axit ch\u00ec v\u00e0 l\u1edbp l\u00f3t b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t.<\/span><\/li><\/ul>
<\/span>So S\u00e1nh T\u00ednh Ch\u1ed1ng \u0102n M\u00f2n C\u1ee7a C\u00e1c Kim Lo\u1ea1i<\/b><\/span><\/h2>| Kim lo\u1ea1i<\/b><\/td> | Ph\u1ea3n \u1ee9ng v\u1edbi H\u2082SO\u2084 lo\u00e3ng?<\/b><\/td> | Ph\u1ea3n \u1ee9ng v\u1edbi H\u2082SO\u2084 \u0111\u1eb7c?<\/b><\/td> | \u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt<\/b><\/td><\/tr>| \u0110\u1ed3ng (Cu)<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | C\u00f3, t\u1ea1o CuSO\u2084<\/span><\/td> | \u0110i\u1ec7n t\u1eed, h\u00f3a ch\u1ea5t<\/span><\/td><\/tr>| B\u1ea1c (Ag)<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | C\u00f3, t\u1ea1o Ag\u2082SO\u2084<\/span><\/td> | Trang s\u1ee9c, y t\u1ebf<\/span><\/td><\/tr>| V\u00e0ng (Au)<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | Linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, y h\u1ecdc<\/span><\/td><\/tr>| Platin (Pt)<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | Kh\u00f4ng<\/span><\/td> | X\u00fac t\u00e1c c\u00f4ng nghi\u1ec7p<\/span><\/td><\/tr>| Nh\u00f4m (Al)<\/span><\/td> | Ban \u0111\u1ea7u c\u00f3 ph\u1ea3n \u1ee9ng, nh\u01b0ng b\u1ecb ng\u0103n ch\u1eb7n b\u1edfi l\u1edbp oxit<\/span><\/td> | C\u00f3 ph\u1ea3n \u1ee9ng m\u1ea1nh khi b\u1ecb lo\u1ea1i b\u1ecf l\u1edbp oxit<\/span><\/td> | C\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, h\u00f3a ch\u1ea5t<\/span><\/td><\/tr>| Ch\u00ec (Pb)<\/span><\/td> | T\u1ea1o l\u1edbp PbSO\u2084 kh\u00f4ng tan, ng\u0103n ph\u1ea3n \u1ee9ng ti\u1ebfp theo<\/span><\/td> | C\u00f3 ph\u1ea3n \u1ee9ng khi \u0111un n\u00f3ng<\/span><\/td> | \u1eaec quy, b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t<\/span><\/td><\/tr><\/tbody><\/table><\/figure><\/span>V\u00ec Sao M\u1ed9t S\u1ed1 Kim Lo\u1ea1i Kh\u00f4ng T\u00e1c D\u1ee5ng V\u1edbi H2SO4 Lo\u00e3ng?<\/b><\/span><\/h2>C\u00f3 ba y\u1ebfu t\u1ed1 ch\u00ednh gi\u1ea3i th\u00edch v\u00ec sao m\u1ed9t s\u1ed1 kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 lo\u00e3ng v\u00e0 kh\u00f4ng b\u1ecb \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng axit n\u00e0y:<\/p> <\/span>V\u1ecb tr\u00ed trong d\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc<\/strong><\/span><\/h3>Nh\u1eefng kim lo\u1ea1i \u0111\u1ee9ng sau hydro trong d\u00e3y ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc nh\u01b0 \u0111\u1ed3ng (Cu), b\u1ea1c (Ag), v\u00e0ng (Au) v\u00e0 platin (Pt) kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea9y ion H\u207a ra kh\u1ecfi dung d\u1ecbch H\u2082SO\u2084 lo\u00e3ng \u0111\u1ec3 t\u1ea1o kh\u00ed H\u2082. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4, gi\u00fap duy tr\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng axit.<\/p> <\/span>L\u1edbp m\u00e0ng b\u1ea3o v\u1ec7 t\u1ef1 nhi\u00ean<\/strong><\/span><\/h3>M\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u01b0 \u0111\u1ed3ng v\u00e0 b\u1ea1c c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng oxit ho\u1eb7c sunfat m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t, gi\u00fap b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi ph\u1ea3n \u1ee9ng v\u1edbi H\u2082SO\u2084 lo\u00e3ng. L\u1edbp b\u1ea3o v\u1ec7 n\u00e0y l\u00e0m ch\u1eadm ho\u1eb7c ng\u0103n c\u1ea3n qu\u00e1 tr\u00ecnh \u0103n m\u00f2n, gi\u00fap kim lo\u1ea1i duy tr\u00ec t\u00ednh b\u1ec1n h\u00f3a h\u1ecdc trong m\u00f4i tr\u01b0\u1eddng axit.<\/p> <\/span>T\u00ednh b\u1ec1n v\u1eefng h\u00f3a h\u1ecdc<\/strong><\/span><\/h3>Kim lo\u1ea1i qu\u00fd nh\u01b0 v\u00e0ng (Au) v\u00e0 platin (Pt) c\u00f3 th\u1ebf oxy h\u00f3a r\u1ea5t cao, khi\u1ebfn ch\u00fang kh\u00e1ng \u0103n m\u00f2n ngay c\u1ea3 khi ti\u1ebfp x\u00fac v\u1edbi axit m\u1ea1nh. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 trang s\u1ee9c, n\u01a1i y\u00eau c\u1ea7u t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng b\u1ecb oxy h\u00f3a theo th\u1eddi gian.<\/p> <\/span>\u1ee8ng D\u1ee5ng Trong C\u00f4ng Nghi\u1ec7p V\u00e0 L\u1ef1a Ch\u1ecdn V\u1eadt Li\u1ec7u Ph\u00f9 H\u1ee3p<\/b><\/span><\/h2><\/span>Trong Ng\u00e0nh H\u00f3a Ch\u1ea5t v\u00e0 X\u1eed L\u00fd N\u01b0\u1edbc<\/b><\/span><\/h3>- B\u1ed5 sung v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n:<\/strong> Ngo\u00e0i \u0111\u1ed3ng v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 316, c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 nh\u1ef1a PTFE (Teflon), nh\u00f4m anod h\u00f3a, titan c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u00ecnh ch\u1ee9a h\u00f3a ch\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i v\u00e0 t\u00ednh an to\u00e0n cao. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p khi ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 lo\u00e3ng, gi\u00fap h\u1ea1n ch\u1ebf \u0103n m\u00f2n v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb.<\/li><\/ul>
<\/figure><\/div>- \u1ee8ng d\u1ee5ng b\u1ea1c trong x\u1eed l\u00fd n\u01b0\u1edbc:<\/strong> B\u1ea1c kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m \u0111i\u1ec7n c\u1ef1c m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng khu\u1ea9n, gi\u00fap lo\u1ea1i b\u1ecf vi khu\u1ea9n trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc u\u1ed1ng v\u00e0 n\u01b0\u1edbc th\u1ea3i. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 lo\u00e3ng, gi\u00fap duy tr\u00ec t\u00ednh \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc c\u00f3 t\u00ednh axit nh\u1eb9.<\/li>\n\n
- H\u1ec7 th\u1ed1ng trao \u0111\u1ed5i ion:<\/strong> Platin v\u00e0 palladi \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u ph\u1ee7 trong c\u00e1c m\u00e0ng l\u1ecdc trao \u0111\u1ed5i ion, gi\u00fap x\u1eed l\u00fd kim lo\u1ea1i n\u1eb7ng trong n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p. V\u1edbi t\u00ednh ch\u1ea5t tr\u01a1 h\u00f3a h\u1ecdc cao, \u0111\u00e2y l\u00e0 nh\u1eefng kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 lo\u00e3ng, gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng l\u1ecdc trong th\u1eddi gian d\u00e0i.<\/li>\n\n
- <\/li><\/ul>
<\/span>Trong Ng\u00e0nh S\u1ea3n Xu\u1ea5t \u0110i\u1ec7n T\u1eed<\/b><\/span><\/h3>- V\u00e0ng trong c\u00f4ng ngh\u1ec7 b\u00e1n d\u1eabn:<\/strong>
- \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c vi m\u1ea1ch v\u00e0 linh ki\u1ec7n c\u00f3 \u0111\u1ed9 nh\u1ea1y cao nh\u01b0 IC, chip nh\u1edb, b\u1ea3ng m\u1ea1ch in (PCB) do c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 ch\u1ed1ng oxy h\u00f3a.<\/li>\n\n
- C\u00e1c \u0111\u1ea7u n\u1ed1i trong c\u00e1p truy\u1ec1n d\u1eef li\u1ec7u cao c\u1ea5p (HDMI, USB, c\u1ed5ng quang) th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u1ea1 v\u00e0ng \u0111\u1ec3 gi\u1ea3m \u0111i\u1ec7n tr\u1edf v\u00e0 ch\u1ed1ng \u0103n m\u00f2n. Nh\u1edd \u0111\u1eb7c t\u00ednh l\u00e0 kim lo\u1ea1i kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi h2so4 lo\u00e3ng, v\u00e0ng gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul><\/li>\n\n
- Platin v\u00e0 palladi trong pin nhi\u00ean li\u1ec7u:<\/strong>
- Platin<\/strong> \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t x\u00fac t\u00e1c trong pin nhi\u00ean li\u1ec7u hydro, gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng.<\/li>\n\n
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