Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
Platinum l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i qu\u00fd, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 l\u00e0m \u0111\u1ed3 trang s\u1ee9c hay l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, ch\u1ea5t d\u1eabn \u0111i\u1ec7n, m\u00e1y tr\u1ee3 tim. Th\u1ebf nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u v\u00e0 gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m platinum l\u00e0 g\u00ec v\u00e0 hay nh\u1ea7m l\u1eabn ch\u00fang l\u00e0 v\u00e0ng tr\u1eafng. \u0110\u1ec3 c\u00f3 nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch nh\u1ea5t, qu\u00fd kh\u00e1ch h\u00e0ng h\u00e3y theo d\u00f5i n\u1ed9i dung chi ti\u1ebft trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
Platinum c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 b\u1ea1ch kim. V\u1eady b\u1ea1ch kim l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean t\u1ed1 qu\u00fd hi\u1ebfm c\u00f3 trong l\u1edbp v\u1ecf Tr\u00e1i \u0110\u1ea5t, v\u1edbi m\u1eadt \u0111\u1ed9 ph\u00e2n b\u1ed1 trung b\u00ecnh 0.005mg\/kg. N\u00f3 c\u00f3 m\u00e0u x\u00e1m tr\u1eafng, \u0111\u1eb7c d\u1ebbo, s\u00e1ng b\u00f3ng v\u00e0 d\u1ec5 u\u1ed1n \u1edf d\u1ea1ng tinh khi\u1ebft. Ngo\u00e0i ra, platinum c\u00f3 th\u1ec3 d\u1ec5 t\u1ea1o h\u00ecnh, k\u00e9o d\u1eabn th\u00e0nh s\u1ee3i v\u00e0 kh\u00f4ng g\u00e2y ra c\u00e1c ph\u1ea3n \u1ee9ng ngh\u0129a l\u00e0 ch\u00fang kh\u00f4ng b\u1ecb oxy h\u00f3a v\u00e0 \u1ea3nh h\u01b0\u1edfng b\u1edfi axit.<\/p>\n\n\n\n
Platinum c\u00f2n l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i chuy\u1ec3n ti\u1ebfp g\u1ed3m c\u00f3 v\u00e0ng, b\u1ea1c, titan v\u00e0 \u0111\u1ed3ng. C\u1ea5u tr\u00fac nguy\u00ean t\u1eed c\u1ee7a nh\u1eefng kim lo\u1ea1i n\u00e0y d\u1ec5 d\u00e0ng li\u00ean k\u1ebft v\u1edbi c\u00e1c nguy\u00ean t\u1eed kh\u00e1c. Theo Chemicool, b\u1ea1ch kim l\u00e0 nguy\u00ean t\u1ed1 n\u1eb7ng nh\u1ea5t, 21,45 g\/cm3, nh\u1eb9 h\u01a1n 21 l\u1ea7n so v\u1edbi nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a n\u01b0\u1edbc v\u00e0 6 l\u1ea7n v\u1edbi nguy\u00ean t\u1eed kh\u1ed1i kim c\u01b0\u01a1ng. Ch\u00ednh v\u00ec th\u1ebf, b\u1ea1ch kim lu\u00f4n qu\u00fd hi\u1ebfm v\u00e0 \u0111\u1eaft \u0111\u1ecf.<\/p>\n\n\n\n
V\u00e0ng l\u00e0 g\u00ec ?<\/p>\n\n\n\n
V\u00e0ng l\u00e0 kim lo\u1ea1i qu\u00fd hi\u1ebfm, c\u00f3 m\u00e0u v\u00e0ng s\u1eabm v\u1edbi \u00e1nh \u0111\u1ecf c\u00f3 t\u00ean g\u1ecdi la tinh l\u00e0 Aurum v\u00e0 k\u00fd hi\u1ec7u trong b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc l\u00e0 Au. V\u00e0ng nguy\u00ean ch\u1ea5t l\u00e0 m\u1ed9t kim lo\u1ea1i t\u01b0\u01a1ng \u0111\u1ed1i m\u1ec1m, d\u1ec5 d\u00e0ng d\u00e1t m\u1ecfng, k\u00e9o d\u00e0i v\u00e0 d\u1eabn \u0111i\u1ec7n, nhi\u1ec7t c\u1ef1c t\u1ed1t. Tuy nhi\u00ean v\u1edbi gi\u00e1 th\u00e0nh cao n\u00ean ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt trang s\u1ee9c. Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i v\u00e0ng kh\u00e1c nhau nh\u01b0 v\u00e0ng tr\u1eafng, v\u00e0ng 10k, v\u00e0ng 14k v\u00e0 v\u00e0ng 24k (v\u00e0ng ta).<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t chung c\u1ee7a S\u1ed1 nguy\u00ean t\u1eed (s\u1ed1 proton trong h\u1ea1t nh\u00e2n): 78<\/p>\n\n\n\n
K\u00fd hi\u1ec7u nguy\u00ean t\u1eed trong b\u1ea3ng tu\u1ea7n ho\u00e0n nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc: Pt<\/p>\n\n\n\n
Kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed (kh\u1ed1i l\u01b0\u1ee3ng trung b\u00ecnh c\u1ee7a nguy\u00ean t\u1eed): 195,1<\/p>\n\n\n\n
M\u1eadt \u0111\u1ed9: 21,45 g\/cm3<\/p>\n\n\n\n
Tr\u1ea1ng th\u00e1i v\u1eadt ch\u1ea5t c\u1ee7a platinum: ch\u1ea5t r\u1eafn<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a platinum: 3215,1o F (1768,4o C)<\/p>\n\n\n\n
Nhi\u1ec7t \u0111\u1ed9 s\u00f4i: 6917 F (3825 C)<\/p>\n\n\n\n
S\u1ed1 \u0111\u1ed3ng v\u1ecb t\u1ef1 nhi\u00ean (c\u00e1c nguy\u00ean t\u1eed c\u00f3 c\u00f9ng nguy\u00ean t\u1ed1 v\u00e0 kh\u00e1c s\u1ed1 n\u01a1tron): 6. Ngo\u00e0i ra c\u00f2n c\u00f3 th\u00eam 37 \u0111\u1ed3ng v\u1ecb nh\u00e2n t\u1ea1o \u0111\u01b0\u1ee3c t\u1ea1o ra trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n
\u0110\u1ed3ng v\u1ecb ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay: Pt-195 (33,83% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean), Pt-194 (32,97% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean), Pt-196 (25,24% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean), Pt-198 (7,16% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean), PT 192 (0.78% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean), Pt-190 (0.01% s\u1ed1 l\u01b0\u1ee3ng t\u1ef1 nhi\u00ean)<\/p>\n\n\n\n
B\u1ea1ch kim gi\u00e1 bao nhi\u00eau?<\/p>\n\n\n\n
C\u00e1c c\u00e2u h\u1ecfi v\u1ec1 gi\u00e1 b\u1ea1ch kim ch\u00fang t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u t\u1eeb qu\u00fd kh\u00e1ch h\u00e0ng trong th\u1eddi gian qua. M\u1ee9c gi\u00e1 b\u00e1n c\u1ee7a b\u1ea1ch kim kh\u00f4ng h\u1ec1 c\u1ed1 \u0111\u1ecbnh, ch\u00fang c\u00f3 s\u1ef1 thay \u0111\u1ed5i d\u1ef1a theo c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u1eddi gian, \u0111\u01a1n v\u1ecb mua h\u00e0ng hay s\u1ed1 l\u01b0\u1ee3ng b\u1ea1ch kim m\u00e0 b\u1ea1n mua.<\/p>\n\n\n\n
Gi\u00e1 c\u1ee7a b\u1ea1ch kim th\u01b0\u1eddng cao h\u01a1n v\u00e0ng tr\u1eafng r\u1ea5t nhi\u1ec1u, trung b\u00ecnh g\u1ea5p 2 l\u1ea7n. Tuy nhi\u00ean, th\u00e1ng 2\/2020 gi\u00e1 b\u00e1n c\u1ee7a b\u1ea1ch kim t\u1ee5t d\u1ed1c th\u1ea3m h\u1ea1i t\u1eeb t\u1eeb 1019,69 US$\/OZ xu\u1ed1ng m\u1ee9c 874.9 US$\/OZ do ch\u1ecbu \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd c\u1ee7a virus Covit 19 \u1edf c\u00e1c qu\u1ed1c gia Ch\u00e2u \u00c2u. Th\u1ebf nh\u01b0ng khi so s\u00e1nh v\u1edbi c\u00e1c m\u1eabu \u0111\u00e1 qu\u00fd kh\u00e1c th\u00ec gi\u00e1 c\u1ee7a b\u1ea1ch kim v\u1eabn cao h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n
B\u1ea1ch kim c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u00e0ng, ch\u00fang \u0111\u01b0\u1ee3c b\u00e1n d\u1ef1a tr\u00ean \u0111\u01a1n v\u1ecb l\u00e0 l\u01b0\u1ee3ng, ch\u1ec9, c\u00e2y v\u00e0 nh\u1ecf h\u01a1n l\u00e0 ph\u00e2n v\u00e0 ly. V\u1eady gi\u00e1 b\u1ea1ch kim bao nhi\u00eau 1 gam? 1 ch\u1ec9 s\u1ebd t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 3.75 gam; 1 gram b\u1ea1ch kim t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 0.27 ch\u1ec9. Gi\u00e1 platinum hi\u1ec7n nay l\u00e0 36,54 tri\u1ec7u\/l\u01b0\u1ee3ng => 1 gam b\u1ea1ch kim s\u1ebd t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 263.000 \u0111\u1ed3ng.<\/p>\n\n\n\n
C\u00e1ch ph\u00e2n bi\u1ec7t, nh\u1eadn bi\u1ebft b\u1ea1ch kim, v\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c<\/p>\n\n\n\n
\u0110\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft v\u00e0 ph\u00e2n bi\u1ec7t v\u00e0ng tr\u1eafng, b\u1ea1ch kim, b\u1ea1c th\u00ec h\u00e3y theo d\u00f5i th\u00f4ng tin chi ti\u1ebft d\u01b0\u1edbi \u0111\u00e2y, c\u1ee5 th\u1ec3<\/p>\n\n\n\n
M\u00e0u s\u1eafc<\/p>\n\n\n\n
B\u1ea1ch kim l\u00e0 kim lo\u1ea1i qu\u00fd hi\u1ebfm, s\u1edf h\u1eefu v\u1ebb ngo\u00e0i l\u1ea5p l\u00e1nh, c\u00f3 t\u00ednh \u00e1nh kim t\u1ef1 nhi\u00ean v\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 kim lo\u1ea1i hay s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u00e1nh b\u00f3ng n\u00e0o. Theo th\u1eddi gian s\u1eed d\u1ee5ng b\u1ea1ch kim c\u0169ng kh\u00f4ng h\u1ec1 b\u1ecb \u0111\u1ed5i m\u00e0u s\u1eafc.<\/p>\n\n\n\n
M\u00e0u tr\u1eafng c\u1ee7a v\u00e0ng tr\u1eafng l\u00e0 tr\u1eafng ng\u00e0, kh\u00f4ng t\u1ef1 nhi\u00ean, ch\u00fang \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp Rhodium \u0111\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 b\u00f3ng. Sau khi s\u1eed d\u1ee5ng, ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean ch\u00fang b\u1ecb may m\u00e0u v\u00e0 kh\u00f4ng s\u00e1ng b\u00f3ng nh\u01b0 v\u1eady n\u1eefa. B\u1ea1c c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u00e0ng tr\u1eafng.<\/p>\n\n\n\n
T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/p>\n\n\n\n
B\u1ea1ch kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n so v\u1edbi v\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c. Ch\u00fang l\u00e0 kim lo\u1ea1i qu\u00fd kh\u00f4ng oxy h\u00f3a v\u00e0 kh\u00f4ng th\u1ec3 tan trong axit. \u0110\u1eb7c bi\u1ec7t, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t c\u1ee7a b\u1ea1ch kim c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c v\u00e0o kho\u1ea3ng 1800 \u0111\u1ed9 C<\/p>\n\n\n\n
V\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c c\u00f3 s\u1ef1 k\u1ebft h\u1ee3p t\u1eeb c\u00e1c kim lo\u1ea1i kh\u00e1c n\u00ean ch\u00fang kh\u00f4ng b\u1ecb oxy h\u00f3a v\u00e0 tan trong axit. Tuy nhi\u00ean, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng m\u00e0i m\u00f2n th\u00ec v\u1eabn k\u00e9m h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ea1ch kim. R\u1ea5t d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng khi t\u00e1c \u0111\u1ed9ng l\u1ef1c m\u1ea1nh.<\/p>\n\n\n\n
Kh\u1ea3 n\u0103ng ch\u1ebf t\u00e1c trang s\u1ee9c<\/p>\n\n\n\n
S\u1ef1 \u0111a d\u1ea1ng c\u1ee7a trang s\u1ee9c b\u1ea1ch kim r\u1ea5t \u00edt b\u1edfi ch\u00fang kh\u00f3 ch\u1ebf t\u00e1c h\u01a1n so v\u1edbi v\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c. \u0110\u1ec3 ch\u1ebf t\u00e1c ra s\u1ea3n ph\u1ea9m t\u1eeb nh\u01b0 nh\u1eabn, khuy\u00ean, d\u00e2y chuy\u1ec1n b\u1ea1ch kim th\u00ec \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi th\u1ee3 ph\u1ea3i l\u00e0nh ngh\u1ec1, am hi\u1ec3u v\u1ec1 b\u1ea1ch kim th\u00ec m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. C\u00f9ng v\u1edbi \u0111\u00f3 l\u00e0 s\u1ef1 kh\u00e9o l\u00e9o, t\u1ed1n nhi\u1ec1u th\u1eddi gian th\u00ec m\u1edbi c\u00f3 th\u1ec3 cho ra s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 l\u00fd do gi\u1ea3i th\u00edch v\u00ec sao gi\u00e1 nh\u1eabn, l\u1eafc b\u1ea1ch kim lu\u00f4n \u0111\u1eaft.<\/p>\n\n\n\n
Ng\u01b0\u1ee3c l\u1ea1i, v\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c th\u00ec c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra trang s\u1ee9c d\u1ec5 d\u00e0ng h\u01a1n b\u1edfi ch\u00fang r\u1ea5t m\u1ec1m. \u0110\u1ec3 t\u1ea1o \u0111\u1ed9 c\u1ee9ng khi ch\u1ebf t\u00e1c ng\u01b0\u1eddi th\u1ee3 hay s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c. V\u00ec th\u1ebf, gi\u00e1 c\u1ee7a v\u00e0ng tr\u1eafng v\u00e0 b\u1ea1c r\u1ebb h\u01a1n so v\u1edbi platinum.<\/p>\n\n\n\n
H\u01b0\u1edbng d\u1eabn c\u00e1ch l\u00e0m s\u00e1ng b\u1ea1ch kim<\/p>\n\n\n\n
C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 l\u00e0m s\u00e1ng b\u1ea1ch kim, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
Pha n\u01b0\u1edbc \u1ea5m, amoniac v\u00e0 b\u1ed9t gi\u1eb7t theo t\u1ef7 l\u1ec7 50\/50.<\/p>\n\n\n\n
Cho c\u00e1c m\u00f3n n\u1eef trang b\u1ea1ch kim v\u00e0o dung d\u1ecbch \u0111\u00f3 r\u1ed3i ng\u00e2m t\u1eeb 15-20 ph\u00fat<\/p>\n\n\n\n
Ti\u1ebfp \u0111\u1ebfn, l\u1ea5y m\u00f3n trang s\u1ee9c kh\u1ecfi dung d\u1ecbch, d\u00f9ng b\u00e0n ch\u1ea3i \u0111\u00e1nh r\u0103ng ch\u00e0 nh\u1eb9<\/p>\n\n\n\n
Nh\u00fang m\u00f3n trang s\u1ee9c v\u00e0o dung d\u1ecbch th\u00eam m\u1ed9t v\u00e0i l\u1ea7n n\u1eefa, r\u1ed3i r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc l\u1ea1nh.<\/p>\n\n\n\n
Cu\u1ed1i c\u00f9ng b\u1ea1n \u0111\u1ec3 trang s\u1ee9c l\u00ean m\u1ea3nh v\u1ea3i kh\u00f4 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y s\u1ea5y t\u00f3c \u0111\u1ec3 l\u00e0m kh\u00f4 ch\u00fang ho\u1eb7c lau nh\u1eb9 v\u1edbi kh\u0103n.<\/p>\n\n\n\n
Ngo\u00e0i vi\u1ec7c v\u1ec7 sinh th\u00ec qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n c\u0169ng gi\u1eef vai tr\u00f2 quan tr\u1ecdng. N\u1ebfu nh\u01b0 b\u1ea1n kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m d\u00f2ng b\u1ea1ch kim th\u00ec c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n theo g\u1ee3i \u00fd sau \u0111\u00e2y:<\/p>\n\n\n\n
\u0110\u1ec3 c\u00e1c s\u1ea3n ph\u1ea9m trang s\u1ee9c b\u1ea1ch kim \u1edf ri\u00eang, kh\u00f4ng n\u00ean \u0111\u1ec3 chung v\u1edbi b\u1ea1c, v\u00e0ng tr\u1eafng hay v\u00e0ng ta.<\/p>\n\n\n\n
N\u00ean c\u1ea5t n\u1eef trang trong c\u00e1c h\u1ed9p c\u00f3 mi\u1ebfng l\u00f3t.<\/p>\n\n\n\n
H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, h\u00f3a ch\u1ea5t; \u0111\u1ed3ng th\u1eddi th\u01b0\u1eddng xuy\u00ean lau r\u1eeda, v\u1ec7 sinh.<\/p>\n\n\n\n
V\u1edbi c\u00e1c n\u1eef trang \u0111\u00ednh \u0111\u00e1 tr\u01b0\u1edbc v\u00e0 sau khi v\u1ec7 sinh ch\u00fang b\u1ea1n c\u1ea7n ph\u1ea3i ki\u1ec3m tra xem ch\u00fang c\u00f3 m\u1ea5t \u0111i h\u1ea1t n\u00e0o kh\u00f4ng.<\/p>\n\n\n\n
Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean cho trang s\u1ee9c \u0111\u00ednh \u0111\u00e1 v\u00e0o dung d\u1ecbch amoniac b\u1edfi kh\u00f4ng bi\u1ebft ch\u1eafc ch\u00fang c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c dung d\u1ecbch n\u00e0y kh\u00f4ng.<\/p>\n\n\n\n
V\u1edbi c\u00e1c th\u00f4ng tin trong b\u00e0i vi\u1ebft \u201cPlatinum l\u00e0 g\u00ec, gi\u00e1 tr\u1ecb v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t b\u1ea1ch kim v\u1edbi kim lo\u1ea1i qu\u00fd\u201d, hy v\u1ecdng s\u1ebd gi\u00fap \u00edch cho b\u1ea1n. N\u1ebfu c\u00f3 c\u00e2u h\u1ecfi n\u00e0o th\u1eafc m\u1eafc ho\u1eb7c \u0111\u00f3ng g\u00f3p \u00fd ki\u1ebfn cho b\u00e0i vi\u1ebft, qu\u00fd kh\u00e1ch h\u00e0ng h\u00e3y comment ph\u00eda d\u01b0\u1edbi, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i \u0111\u00e1p b\u1ea1n nhanh ch\u00f3ng v\u00e0 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Platinum l\u00e0 g\u00ec? \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i qu\u00fd, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 l\u00e0m \u0111\u1ed3 trang s\u1ee9c hay l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, ch\u1ea5t d\u1eabn \u0111i\u1ec7n, m\u00e1y tr\u1ee3 tim. Th\u1ebf nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u v\u00e0 gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m platinum l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8],"tags":[],"class_list":["post-3464","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3464"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3464\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}