{"id":81,"count":2,"description":"H\u00f3a Ch\u1ea5t Th\u00ed Nghi\u1ec7m Ph\u00f2ng Lab EHS \u2014 Chu\u1ea9n \u0110\u1ed9, Ph\u00e2n T\u00edch N\u01b0\u1edbc Th\u1ea3i | L\u1ed9c Thi\u00ean\n\nL\u1ed9c Thi\u00ean cung c\u1ea5p h\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m chuy\u00ean d\u1ee5ng cho ph\u00f2ng lab EHS v\u00e0 QC t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai. S\u1ea3n ph\u1ea9m c\u00f3 CoA (Certificate of Analysis), MSDS, CO\/CQ \u0111\u1ea7y \u0111\u1ee7. Giao h\u00e0ng trong ng\u00e0y t\u1ea1i KCN VSIP, Nh\u01a1n Tr\u1ea1ch, Amata.\n\nH\u00f3a Ch\u1ea5t Th\u00ed Nghi\u1ec7m L\u00e0 G\u00ec?\nH\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m (laboratory chemicals\/reagents) l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u01b0\u1ee3c d\u00f9ng trong ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng (chu\u1ea9n \u0111\u1ed9), \u0111\u1ecbnh t\u00ednh, v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i theo QCVN 40:2011\/BTNMT v\u00e0 QCVN 01:2009\/BYT. Kh\u00e1c v\u1edbi h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p (d\u00f9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, \u0111\u1ed9 tinh khi\u1ebft th\u1ea5p h\u01a1n), h\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n ph\u00e2n t\u00edch (analytical grade) ho\u1eb7c ti\u00eau chu\u1ea9n thu\u1ed1c th\u1eed (reagent grade), th\u01b0\u1eddng \u0111\u1ea1t \u0111\u1ed9 tinh khi\u1ebft \u226599% v\u00e0 \u0111i k\u00e8m CoA ghi r\u00f5 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t.\n\nThu\u1ed1c Th\u1eed Chu\u1ea9n \u0110\u1ed9 \u2014 Ti\u00eau Chu\u1ea9n Lab\nThu\u1ed1c th\u1eed chu\u1ea9n \u0111\u1ed9 (titration reagents) l\u00e0 dung d\u1ecbch ti\u00eau chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 ch\u00ednh x\u00e1c, d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1ecbnh l\u01b0\u1ee3ng trong ph\u00f2ng lab EHS nh\u00e0 m\u00e1y:\n\n<strong>NaOH 0.1N (Sodium Hydroxide)<\/strong> \u2014 CAS 1310-73-2 | Acid titration: determine acidity in wastewater, pH testing, analysis of total alkalinity parameter according to QCVN 40:2011\n<strong>H\u2082SO\u2084 0.1N (Sulfuric Acid)<\/strong> \u2014 CAS 7664-93-9 | Base titration: determination of alkalinity, NH\u2084\u207a in plant wastewater, checking N-NH\u2084 indicator according to TCVN 5988\n<strong>KMnO\u2084 0.1N (Potassium Permanganate)<\/strong> \u2014 CAS 7722-64-7 | Determination of Oxidized Matter (Permanganate Index), Indirect COD in Wastewater according to SMEWW 4500-KMnO\u2084\n<strong>EDTA 0.1M (Ethylenediaminetetraacetic acid)<\/strong> \u2014 CAS 60-00-4 | Complexometric titration: determination of total hardness (Ca\u00b2\u207a + Mg\u00b2\u207a), heavy metals Zn, Cu, Pb in wastewater\n<strong>0.1N Sodium Thiosulfate<\/strong> \u2014 CAS 7772-98-7 | Chu\u1ea9n \u0111\u1ed9 iodometric: x\u00e1c \u0111\u1ecbnh DO (dissolved oxygen), Cl\u2082 d\u01b0 trong n\u01b0\u1edbc th\u1ea3i sau x\u1eed l\u00fd\n\n\nCh\u1ec9 Th\u1ecb M\u00e0u &amp; Dung D\u1ecbch \u0110\u1ec7m pH\nCh\u1ec9 th\u1ecb m\u00e0u (indicators) v\u00e0 dung d\u1ecbch \u0111\u1ec7m pH l\u00e0 thi\u1ebft y\u1ebfu cho chu\u1ea9n \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb \u0111o t\u1ea1i ph\u00f2ng lab:\n\n<strong>Phenolphthalein 1%<\/strong> Acid-base indicator, pH color change 8.2\u201310.0 (colorless \u2192 pink). Used for NaOH titration, determination of phenolphthalein alkalinity (P-alkalinity) in wastewater.\n<strong>Methyl Orange 0.1%<\/strong> \u2014 Acid-base indicator, pH color change 3.1\u20134.4 (red \u2192 yellow). Used for titrating strong acids, determining total alkalinity M-alkalinity\n<strong>Bromothymol Blue 0.1%<\/strong> pH color change 6.0\u20137.6 (yellow \u2192 blue). For neutral pH analysis, biological treatment testing\n<strong>Murexit (Ammonium Purpurate)<\/strong> Instructions for titrating Ca\u00b2\u207a with EDTA at pH 12, distinguishing Ca\u00b2\u207a\/Mg\u00b2\u207a\n<strong>Buffer pH 4.01 (Potassium Hydrogen Phthalate)<\/strong> \u2014 Calibrate pH meter at acidic point, NIST traceable certification\n<strong>Buffer pH 6.86 \/ 7.00<\/strong> \u2014 Neutral point calibration, daily use according to ISO\/IEC 17025\n<strong>Buffer pH 9.18 \/ 10.01<\/strong> \u2014 Hi\u1ec7u chu\u1ea9n \u0111i\u1ec3m ki\u1ec1m, ki\u1ec3m tra tr\u01b0\u1edbc \u0111o m\u1eabu n\u01b0\u1edbc th\u1ea3i ki\u1ec1m cao\n\n\n\u1ee8ng D\u1ee5ng: Ki\u1ec3m Tra N\u01b0\u1edbc Th\u1ea3i Theo QCVN 40:2011\nQCVN 40:2011\/BTNMT quy \u0111\u1ecbnh ng\u01b0\u1ee1ng x\u1ea3 th\u1ea3i c\u00f4ng nghi\u1ec7p. Ph\u00f2ng lab EHS nh\u00e0 m\u00e1y KCN c\u1ea7n ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 c\u00e1c th\u00f4ng s\u1ed1 sau b\u1eb1ng h\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m t\u01b0\u01a1ng \u1ee9ng:\n\n<strong>pH (6\u20139 Column A; 5.5\u20139 Column B)<\/strong> \u2014 Calibration with pH buffer 4\/7\/10; measurement with pH meter\n<strong>COD &lt;75 mg\/L (A) \/ &lt;150 mg\/L (B)<\/strong> \u2014 K\u2082Cr\u2082O\u2087 (dichromate) method: K\u2082Cr\u2082O\u2087, concentrated H\u2082SO\u2084, FeSO\u2084(NH\u2084)\u2082SO\u2084; or KMnO\u2084 method for lightly polluted samples\n<strong>BOD\u2085 &lt;30 mg\/L (A) \/ &lt;50 mg\/L (B)<\/strong> Phosphate buffer, MgSO\u2084, CaCl\u2082, FeCl\u2083; incubate 5 days 20\u00b0C; measure DO by Na\u2082S\u2082O\u2083\n<strong>SS &lt;50 mg\/L (A) \/ &lt;100 mg\/L (B)<\/strong> \u2014 Filter through GF\/C filter paper, dry at 105\u00b0C \u2014 no special chemicals required\n<strong>Ammonia-nitrogen &lt;5 mg\/L (A) \/ &lt;10 mg\/L (B)<\/strong> \u2014 Nessler method: Nessler reagent, KNaC\u2084H\u2084O\u2086 (Rochelle salt), ZnSO\u2084; or titrate with 0.1N H\u2082SO\u2084 after distillation\n<strong>Total Nitrogen &lt;20 mg\/L (A) \/ &lt;40 mg\/L (B)<\/strong> \u2014 Sample degradation using K\u2082S\u2082O\u2088 + NaOH, measured by UV-Vis\n<strong>Total P &lt;4 mg\/L (A) \/ &lt;6 mg\/L (B)<\/strong> \u2014 Ammonium molybdate + ascorbic acid + antimony potassium tartrate; \u0111o UV-Vis 880nm\n\n\nTi\u00eau Chu\u1ea9n &amp; Ch\u1ee9ng T\u1eeb\nM\u1ed7i l\u00f4 h\u00e0ng h\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m t\u1eeb L\u1ed9c Thi\u00ean \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 h\u1ed3 s\u01a1 ph\u00e1p l\u00fd v\u00e0 k\u1ef9 thu\u1eadt:\n\n<strong>CoA (Certificate of Analysis)<\/strong> \u2014 Analyze impurity levels and verify a purity of \u226599% for each production batch\n<strong>MSDS\/SDS (Safety Data Sheet)<\/strong> \u2014 Chemical Safety Data Sheet (GHS\/OSHA compliant), for occupational safety training and customs declaration\n<strong>Certificate of Origin<\/strong> \u2014 Certificate of Origin, meeting import and factory audit requirements\n<strong>Certificate of Quality<\/strong> Quality certificate from the manufacturer, equivalent to ISO 9001 QC record\n<strong>Comply with QCVN 40:2011\/BTNMT<\/strong> Wastewater analysis chemicals meet BTNMT testing standards\n<strong>ISO\/IEC 17025:2017<\/strong> \u2014 Dung d\u1ecbch chu\u1ea9n \u0111\u1ed9 v\u00e0 buffer pH traceable v\u1ec1 chu\u1ea9n qu\u1ed1c gia NIST\/PTB\n\n\nGiao H\u00e0ng KCN Trong Ng\u00e0y\nL\u1ed9c Thi\u00ean chuy\u00ean cung c\u1ea5p h\u00f3a ch\u1ea5t th\u00ed nghi\u1ec7m giao t\u1eadn kho nh\u00e0 m\u00e1y t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p l\u1edbn:\n\n<strong>KCN VSIP I, VSIP II (Binh Duong)<\/strong> \u2014 Same-day delivery, packaged to meet IMDG dangerous goods transport standards\n<strong>Nh\u01a1n Tr\u1ea1ch Industrial Park (\u0110\u1ed3ng Nai)<\/strong> \u2014 Deliver before 5:00 PM if ordered before 10:00 AM\n<strong>KCN Amata, Long Binh (Dong Nai)<\/strong> \u2014 Chemicals packed in 500mL, 1L, 2.5L, 5L as required.\n<strong>T\u00e2n B\u00ecnh and T\u00e2n Ph\u00fa Districts (Ho Chi Minh City)<\/strong> \u2014 Issue VAT invoice immediately upon delivery\n<strong>Hiep Phuoc Industrial Park, Cat Lai (Ho Chi Minh City)<\/strong> \u2014 H\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n ch\u1ecdn h\u00f3a ch\u1ea5t ph\u00f9 h\u1ee3p QCVN mi\u1ec5n ph\u00ed\n\nLi\u00ean h\u1ec7 ngay: <strong>\u260e <a href=\"tel:0979891929\">0979 891 929<\/a><\/strong> \u2014 Technical consultation and quotation within 30 minutes.","link":"https:\/\/hoachatlocthien.com\/en\/danh-muc\/hoa-chat-thi-nghiem","name":"Laboratory chemicals","slug":"hoa-chat-thi-nghiem","taxonomy":"product_cat","parent":0,"meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/product_cat\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"wp:post_type":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/product?product_cat=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}