{"id":52932,"date":"2023-04-21T12:22:23","date_gmt":"2023-04-21T17:22:23","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/can-you-clean-coins-in-an-ultrasonic-cleaner\/"},"modified":"2025-01-21T07:06:38","modified_gmt":"2025-01-21T12:06:38","slug":"can-you-clean-coins-in-an-ultrasonic-cleaner","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/can-you-clean-coins-in-an-ultrasonic-cleaner\/","title":{"rendered":"L\u00e0m s\u1ea1ch ti\u1ec1n xu b\u1eb1ng m\u00e1y si\u00eau \u00e2m: N\u00ean hay kh\u00f4ng?"},"content":{"rendered":"<p>Vi\u1ec7c l\u00e0m s\u1ea1ch ti\u1ec1n xu b\u1eb1ng m\u00e1y l\u00e0m s\u1ea1ch si\u00eau \u00e2m l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi s\u01b0u t\u1ea7m quan t\u00e2m.  Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3, nh\u01b0ng c\u0169ng t\u1ed3n t\u1ea1i nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y si\u00eau \u00e2m \u0111\u1ec3 l\u00e0m s\u1ea1ch ti\u1ec1n xu, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho b\u1ed9 s\u01b0u t\u1eadp c\u1ee7a b\u1ea1n.<\/p>\n<h3>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y l\u00e0m s\u1ea1ch si\u00eau \u00e2m<\/h3>\n<p>M\u00e1y l\u00e0m s\u1ea1ch si\u00eau \u00e2m s\u1eed d\u1ee5ng s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao \u0111\u1ec3 t\u1ea1o ra h\u00e0ng tri\u1ec7u bong b\u00f3ng si\u00eau nh\u1ecf trong dung d\u1ecbch l\u00e0m s\u1ea1ch.  Khi c\u00e1c bong b\u00f3ng n\u00e0y v\u1ee1 ra, ch\u00fang t\u1ea1o n\u00ean m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh m\u1ebd l\u00ean b\u1ec1 m\u1eb7t v\u1eadt th\u1ec3, gi\u00fap lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n, d\u1ea7u m\u1ee1 v\u00e0 c\u00e1c ch\u1ea5t b\u1ea9n kh\u00e1c. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cavitation.<\/p>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c l\u00e0m s\u1ea1ch ti\u1ec1n xu b\u1eb1ng m\u00e1y si\u00eau \u00e2m<\/h3>\n<ul>\n<li><strong>Nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3:<\/strong> M\u00e1y si\u00eau \u00e2m c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch nhi\u1ec1u ti\u1ec1n xu c\u00f9ng l\u00fac trong th\u1eddi gian ng\u1eafn, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 c\u00f4ng.<\/li>\n<li><strong>L\u00e0m s\u1ea1ch nh\u1eefng ng\u00f3c ng\u00e1ch kh\u00f3 ti\u1ebfp c\u1eadn:<\/strong> S\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 len l\u1ecfi v\u00e0o nh\u1eefng khe h\u1edf nh\u1ecf nh\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t ti\u1ec1n xu, gi\u00fap lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n m\u1ed9t c\u00e1ch tri\u1ec7t \u0111\u1ec3.<\/li>\n<li><strong>\u00cdt ma s\u00e1t:<\/strong>  Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u00edt g\u00e2y ma s\u00e1t l\u00ean b\u1ec1 m\u1eb7t ti\u1ec1n xu, gi\u1ea3m thi\u1ec3u nguy c\u01a1 tr\u1ea7y x\u01b0\u1edbc.<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 r\u1ee7i ro<\/h3>\n<ul>\n<li><strong>Nguy c\u01a1 l\u00e0m h\u1ecfng ti\u1ec1n xu:<\/strong> S\u00f3ng si\u00eau \u00e2m c\u00f3 th\u1ec3 l\u00e0m bong tr\u00f3c l\u1edbp patina (l\u1edbp g\u1ec9 t\u1ef1 nhi\u00ean) tr\u00ean b\u1ec1 m\u1eb7t ti\u1ec1n xu, l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a ch\u00fang.  \u0110\u1eb7c bi\u1ec7t, ti\u1ec1n xu c\u1ed5, ti\u1ec1n xu l\u00e0m t\u1eeb kim lo\u1ea1i m\u1ec1m nh\u01b0 b\u1ea1c, v\u00e0ng d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/li>\n<li><strong>Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ti\u1ec1n xu:<\/strong> M\u1ed9t s\u1ed1 lo\u1ea1i ti\u1ec1n xu, \u0111\u1eb7c bi\u1ec7t l\u00e0 ti\u1ec1n xu \u0111\u00e3 b\u1ecb \u0103n m\u00f2n n\u1eb7ng, kh\u00f4ng n\u00ean l\u00e0m s\u1ea1ch b\u1eb1ng m\u00e1y si\u00eau \u00e2m.<\/li>\n<\/ul>\n<h3>Dung d\u1ecbch l\u00e0m s\u1ea1ch ph\u00f9 h\u1ee3p<\/h3>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn dung d\u1ecbch l\u00e0m s\u1ea1ch ph\u00f9 h\u1ee3p r\u1ea5t quan tr\u1ecdng.  N\u01b0\u1edbc c\u1ea5t l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn an to\u00e0n cho h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ti\u1ec1n xu.  Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi ti\u1ec1n xu b\u1ecb b\u00e1m b\u1ea9n n\u1eb7ng, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng dung d\u1ecbch x\u00e0 ph\u00f2ng pha lo\u00e3ng.  Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh ho\u1eb7c c\u00f3 t\u00ednh axit.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Lo\u1ea1i ti\u1ec1n xu<\/th>\n<th>Dung d\u1ecbch l\u00e0m s\u1ea1ch khuy\u1ebfn ngh\u1ecb<\/th>\n<th>Th\u1eddi gian l\u00e0m s\u1ea1ch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ti\u1ec1n xu b\u1ea1c<\/td>\n<td>N\u01b0\u1edbc c\u1ea5t<\/td>\n<td>2-3 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ec1n xu \u0111\u1ed3ng<\/td>\n<td>N\u01b0\u1edbc c\u1ea5t ho\u1eb7c x\u00e0 ph\u00f2ng pha lo\u00e3ng<\/td>\n<td>1-2 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ec1n xu v\u00e0ng<\/td>\n<td>N\u01b0\u1edbc c\u1ea5t<\/td>\n<td>1 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ec1n xu b\u1ecb \u0103n m\u00f2n n\u1eb7ng<\/td>\n<td>Tham kh\u1ea3o \u00fd ki\u1ebfn chuy\u00ean gia<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng m\u00e1y l\u00e0m s\u1ea1ch si\u00eau \u00e2m cho ti\u1ec1n xu<\/h3>\n<ol>\n<li>Chu\u1ea9n b\u1ecb dung d\u1ecbch l\u00e0m s\u1ea1ch ph\u00f9 h\u1ee3p.<\/li>\n<li>\u0110\u1eb7t ti\u1ec1n xu v\u00e0o gi\u1ecf \u0111\u1ef1ng c\u1ee7a m\u00e1y.  \u0110\u1ea3m b\u1ea3o ti\u1ec1n xu kh\u00f4ng ch\u1ed3ng l\u00ean nhau.<\/li>\n<li>\u0110\u1ed5 dung d\u1ecbch l\u00e0m s\u1ea1ch v\u00e0o m\u00e1y.<\/li>\n<li>C\u00e0i \u0111\u1eb7t th\u1eddi gian l\u00e0m s\u1ea1ch ph\u00f9 h\u1ee3p.  B\u1eaft \u0111\u1ea7u v\u1edbi th\u1eddi gian ng\u1eafn v\u00e0 t\u0103ng d\u1ea7n n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n<li>Sau khi ho\u00e0n th\u00e0nh, l\u1ea5y ti\u1ec1n xu ra kh\u1ecfi m\u00e1y v\u00e0 lau kh\u00f4 b\u1eb1ng v\u1ea3i m\u1ec1m.<\/li>\n<\/ol>\n<h3>L\u01b0u \u00fd quan tr\u1ecdng<\/h3>\n<ul>\n<li>Lu\u00f4n th\u1eed nghi\u1ec7m tr\u00ean m\u1ed9t v\u00e0i ti\u1ec1n xu \u00edt gi\u00e1 tr\u1ecb tr\u01b0\u1edbc khi l\u00e0m s\u1ea1ch to\u00e0n b\u1ed9 b\u1ed9 s\u01b0u t\u1eadp.<\/li>\n<li>Kh\u00f4ng l\u00e0m s\u1ea1ch ti\u1ec1n xu qu\u00e1 th\u01b0\u1eddng xuy\u00ean.<\/li>\n<li>N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 c\u00e1ch l\u00e0m s\u1ea1ch m\u1ed9t lo\u1ea1i ti\u1ec1n xu c\u1ee5 th\u1ec3, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a chuy\u00ean gia.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c l\u00e0m s\u1ea1ch ti\u1ec1n xu b\u1eb1ng m\u00e1y si\u00eau \u00e2m c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u01b0ng c\u0169ng ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro.  Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, l\u1ef1a ch\u1ecdn dung d\u1ecbch v\u00e0 th\u1eddi gian l\u00e0m s\u1ea1ch ph\u00f9 h\u1ee3p, c\u00f9ng v\u1edbi vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c l\u01b0u \u00fd quan tr\u1ecdng s\u1ebd gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 b\u1ed9 s\u01b0u t\u1eadp ti\u1ec1n xu c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c l\u00e0m s\u1ea1ch ti\u1ec1n xu b\u1eb1ng m\u00e1y l\u00e0m s\u1ea1ch si\u00eau \u00e2m l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi s\u01b0u t\u1ea7m quan t\u00e2m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3, nh\u01b0ng c\u0169ng t\u1ed3n t\u1ea1i nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a<\/p>\n","protected":false},"author":1,"featured_media":20115,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-52932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/52932","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=52932"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/52932\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/20115"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=52932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=52932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=52932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}