{"id":1268,"date":"2024-02-23T07:40:53","date_gmt":"2024-02-23T07:40:53","guid":{"rendered":"https:\/\/nbtchemical.com\/?post_type=product&p=1268"},"modified":"2024-02-26T16:33:25","modified_gmt":"2024-02-26T16:33:25","slug":"naoh-long-32-50-xut-long","status":"publish","type":"product","link":"https:\/\/vinachemistry.com\/vi\/product\/naoh-long-32-50-xut-long\/","title":{"rendered":"NaOH l\u1ecfng 32% \u2013 50% (X\u00fat l\u1ecfng)"},"content":{"rendered":"

C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : NaOH<\/strong>
\nT\u00ean h\u00f3a h\u1ecdc : Caustic soda; Natri hi\u0111roxit ; Sodium hydroxide; X\u00fat n\u01b0\u1edbc, X\u00fat l\u1ecfng<\/strong>
\nXu\u1ea5t x\u1ee9: Vi\u1ec7t Nam<\/strong>
\nN\u1ed3ng \u0111\u1ed9: 10; 20; 32; 45; 50%<\/strong>
\nT\u1ef7 tr\u1ecdng: 1-1.5 kg\/l\u00edt<\/strong>
\nQui c\u00e1ch: Can\/phuy\/tank\/xe b\u1ed3n<\/strong><\/p>\n

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd:<\/strong>
\nX\u00fat l\u1ecfng \u2013 Caustic soda hay c\u00f2n g\u1ecdi l\u00e0 x\u00fat l\u1ecfng c\u00f3 nhi\u1ec1u d\u1ea1ng. X\u00fat l\u1ecfng \u2013 NaOH l\u00e0 h\u00f3a ch\u1ea5t d\u1ec5 tan trong n\u01b0\u1edbc, trong c\u1ed3n v\u00e0 trong glycerin. Nh\u01b0ng kh\u00f4ng h\u00f2a tan trong ether v\u00e0 c\u00e1c dung m\u00f4i kh\u00f4ng ph\u00e2n c\u1ef1c kh\u00e1c.
\nT\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c hydrat h\u00f3a c\u1ee7a ax\u00edt sulfuric, gi\u1ea3i th\u1ec3 natri hydroxit r\u1eafn trong n\u01b0\u1edbc l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t cao, trong \u0111\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nhi\u1ec7t \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng.<\/p>\n

T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/strong>
\nX\u00fat l\u1ecfng- NaOH 32% \u2013 50% \u2013 caustic soda hay c\u00f2n g\u1ecdi l\u00e0 Sodium hydroxide. Ph\u1ea3n \u1ee9ng v\u1edbi axit proton \u0111\u1ec3 t\u1ea1o ra n\u01b0\u1edbc v\u00e0 c\u00e1c mu\u1ed1i t\u01b0\u01a1ng \u1ee9ng. V\u00ed d\u1ee5, khi NaOH ph\u1ea3n \u1ee9ng v\u1edbi axit hydrochloric, natri clorua \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh:<\/p>\n

NaOH (aq) + HCl (aq) \u2192 NaCl (aq) + H2O (l)<\/p>\n

N\u00f3i chung, ph\u1ea3n \u1ee9ng trung h\u00f2a nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh \u0111\u01a1n gi\u1ea3n ion net:<\/p>\n

OH-(aq) + H + (aq) \u2192 H2O (l)<\/p>\n

V\u00ec l\u00fd do \u0111\u00e2y l\u00e0 lo\u1ea1i ph\u1ea3n \u1ee9ng v\u1edbi axit m\u1ea1nh t\u1ea1o ra nhi\u1ec7t. Ph\u1ea3n \u1ee9ng acid nh\u01b0 v\u1eady c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chu\u1ea9n \u0111\u1ed9 (ph\u00e9p ph\u00e2n t\u00edch th\u00ea\u0309 t\u00edch). Tuy nhi\u00ean, h\u00f3a ch\u1ea5t NaOH kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ti\u00eau chu\u1ea9n. Ch\u00ednh b\u1edfi v\u00ec n\u00f3 c\u00f3 t\u00ednh h\u00fat \u1ea9m v\u00e0 h\u1ea5p th\u1ee5 carbon dioxide t\u1eeb kh\u00f4ng kh\u00ed.<\/p>\n

C\u00e1c \u1ee8ng D\u1ee5ng c\u1ee7a NaOH l\u1ecfng<\/strong>
\n– X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i: Gi\u00fap \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH v\u00e0 t\u00e1i sinh nh\u1ef1a trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ion. Ngo\u00e0i ra, X\u00fat l\u1ecfng- NaOH 32% \u2013 50% c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 trung h\u00f2a v\u00e0 kh\u1eed c\u1eb7n trong \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc.
\n– S\u1ea3n xu\u1ea5t gi\u1ea5y: X\u00fat l\u1ecfng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m h\u00f3a ch\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ed1i v\u1edbi g\u1ed7, tre, n\u1ee9a. Hay \u0111\u1ec3 l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t gi\u1ea5y d\u1ef1a theo ph\u01b0\u01a1ng ph\u00e1p Sulphate v\u00e0 Soda.
\n– S\u1ea3n xu\u1ea5t s\u1ee3i t\u01a1 s\u1ee3i: NaOH l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n h\u1ee7y ligin. Ch\u1ea5t c\u00f3 h\u1ea1i th\u01b0\u1eddng hay \u0111i k\u00e8m v\u1edbi cellulose c\u00f3 trong b\u1ed9t g\u1ed7.
\nS\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t t\u1ea9y r\u1eeda l\u00e0m s\u1ea1ch: X\u00fat l\u1ecfng- NaOH 32% \u2013 50% s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ee7y ph\u00e2n ch\u1ea5t b\u00e9o c\u00f3 trong d\u1ea7u m\u1ee1 c\u1ee7a \u0111\u1ed9ng th\u1ef1c v\u1eadt \u0111\u1ec3 s\u1ea3n xu\u1ea5t x\u00e0 ph\u00f2ng, ch\u1ea5t t\u1ea9y r\u1eeda
\n– \u1ee8ng d\u1ee5ng trong h\u00f3a ch\u1ea5t, h\u00f3a d\u01b0\u1ee3c: X\u00fat l\u1ecfng- NaOH 32% \u2013 50% \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t hay b\u00e1n c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ee9a g\u1ed1c Sodium nh\u01b0 Sodium phenolate (s\u1ea3n xu\u1ea5t thu\u1ed1c Aspirin), Sodium hypochlorite (Javen ) l\u00e0m ch\u1ea5t t\u1ea9y tr\u1eafng, ch\u1ea5t kh\u1eed tr\u00f9ng, \u2026.
\n– S\u1ea3n xu\u1ea5t d\u1ec7t, nhu\u1ed9m: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u00e2n h\u1ee7y pectins, s\u00e1p trong kh\u00e2u x\u1eed l\u00fd v\u1ea3i th\u00f4, khi\u1ebfn cho v\u1ea3i th\u00eam b\u00f3ng v\u00e0 nhanh h\u1ea5p th\u1ee5 m\u00e0u cho v\u1ea3i nhu\u1ed9m.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : NaOH T\u00ean h\u00f3a h\u1ecdc : Caustic soda; Natri hi\u0111roxit ; Sodium hydroxide; X\u00fat n\u01b0\u1edbc, X\u00fat l\u1ecfng …<\/p>\n","protected":false},"featured_media":1407,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-1268","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-giai-phap-tong-the","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product\/1268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/comments?post=1268"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/media\/1407"}],"wp:attachment":[{"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/media?parent=1268"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product_cat?post=1268"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/vinachemistry.com\/vi\/wp-json\/wp\/v2\/product_tag?post=1268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}