{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"研究了在十二烷基磺酸钠存在下,锶Ⅱ\"与<span style=\"color:red\">邻</span><span style=\"color:red\">羟基</span><span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>(HDAA)的显色反应.试验表明,在pH 8.70的氯化铵-氢氧化铵缓冲溶液中,锶Ⅱ\"与试剂形成1∶2的红色络合物,络合物最大吸收峰位于526 nm波长处,表观摩尔吸光系数ε为1.3×105,在25 mL溶液中,锶Ⅱ\"质量在0～16 μg范围内符合比尔定律.测定了铝合金及纯试剂中微量锶的含量,结果满意.","authors":[{"authorName":"陈文宾","id":"f79e7529-9235-4f8c-bbfe-df2a14b48b6d","originalAuthorName":"陈文宾"},{"authorName":"伏广龙","id":"23ebe317-6a6d-4c48-8e8d-3e6af9e7c1db","originalAuthorName":"伏广龙"},{"authorName":"范丽花","id":"8edd7d2c-ad3b-424d-aa6c-095f898f5c4d","originalAuthorName":"范丽花"},{"authorName":"陈玲","id":"2d13ecc7-7620-415f-a743-612225f20959","originalAuthorName":"陈玲"}],"doi":"10.3969/j.issn.1000-7571.2005.03.006","fpage":"22","id":"2de26d3d-e8f0-4881-ba10-3511976ded39","issue":"3","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"edc7c4e8-c88d-41d9-868e-17f883ec1610","keyword":"<span style=\"color:red\">邻</span><span style=\"color:red\">羟基</span><span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"邻羟基苯基重氮氨基偶氮苯"},{"id":"c7dea242-1aae-4633-bfa6-de0f62c24ea9","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"60f21e14-1d9f-4f11-8e23-a7264939c83a","keyword":"锶","originalKeyword":"锶"}],"language":"zh","publisherId":"yjfx200503006","title":"<span style=\"color:red\">邻</span><span style=\"color:red\">羟基</span><span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>光度法测定痕量锶","volume":"25","year":"2005"},{"abstractinfo":"对分光光度法测定镉(Ⅱ)进行探讨.在非离子表面活性剂Tritonx-100存在下及0.08mol/L的氨水介质中,新显色剂<span style=\"color:red\">邻</span>甲基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>(o-MDAA)与镉发生灵敏的显色反应,生成络合比为2:1的红色络合物,其最大吸收峰位于524 nm处.在25 mL显色溶液中,镉量在0～5ug之间符合比尔定律,其表观摩尔吸光系数为1.68×105L·mol-1·cm-1.在体系中加入柠檬酸三钠,试剂的选择性好,在大量铜离子存在下,不影响o-MDAA与镉的显色反应.方法用于铜合金及纯铜中镉的测定,相对标准偏差为1.02%～2.31%.","authors":[{"authorName":"刘东","id":"a00e0e9e-4a38-4198-b953-885ef5585088","originalAuthorName":"刘东"},{"authorName":"杨琼","id":"f6d9eb43-5d78-4a25-942a-68ee9f9b563b","originalAuthorName":"杨琼"},{"authorName":"张其颖","id":"f51ad9e1-bbf7-42eb-a9cd-f6daf827e3b8","originalAuthorName":"张其颖"},{"authorName":"潘教麦","id":"09eea8b9-fd9e-4238-b53c-63465ad5b16f","originalAuthorName":"潘教麦"}],"doi":"10.3969/j.issn.1000-7571.2008.10.012","fpage":"49","id":"de54f782-5f0e-4d9d-8cb6-d0eac53167f0","issue":"10","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"906a2abf-119d-4703-b2bb-518a281ff9cf","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"a1b2bd50-2560-49bf-a9fa-1b2ea9495bc9","keyword":"<span style=\"color:red\">邻</span>甲基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"邻甲基苯基重氮氨基偶氮苯"},{"id":"3c449447-52f1-41fe-b85d-7211147f1af4","keyword":"镉","originalKeyword":"镉"},{"id":"ef060ef6-5ce8-442d-b0fa-3ace4562ab85","keyword":"铜合金","originalKeyword":"铜合金"},{"id":"2ade6b23-851d-466b-b0d6-ea25a59bee11","keyword":"纯铜","originalKeyword":"纯铜"}],"language":"zh","publisherId":"yjfx200810012","title":"<span style=\"color:red\">邻</span>甲基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>光度法测定镉","volume":"28","year":"2008"},{"abstractinfo":"拟定了一种高灵敏度、高选择性的分光光度法测定锌合金中微量镍.在pH 10硼酸缓冲溶液中,表面活性剂(Triton X-100)存在下,镍与<span style=\"color:red\">邻</span>羧基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>(简称o-CDAA)形成砖红色络合物,其最大吸收波长为542 nm,表观摩尔吸光系数ε可达到1.24×105.在25 mL溶液中,镍量在0～6μg间呈线性关系,测定5μg镍时RSD为1.0%.该法灵敏、简单、稳定、快速,已用于热镀锌合金或锌中间合金中微量镍的测定,结果满意.","authors":[{"authorName":"杨姣","id":"86c18b9d-b6d4-4cee-8c69-8b31851363fa","originalAuthorName":"杨姣"},{"authorName":"凌程凤","id":"efcc538e-d476-4123-b133-1734c074b9c1","originalAuthorName":"凌程凤"},{"authorName":"谈技","id":"4e2fcaf2-1c2c-4256-942b-4d91155e24e3","originalAuthorName":"谈技"},{"authorName":"潘教麦","id":"adb9da9d-5022-4d7a-97b3-4353194bad3e","originalAuthorName":"潘教麦"},{"authorName":"宗俊","id":"ba8434f8-bec0-4b84-b5a8-f23fc652a7c5","originalAuthorName":"宗俊"}],"doi":"10.3969/j.issn.1000-7571.2005.02.010","fpage":"38","id":"a9c2d7dc-0ffb-4b1d-ad1e-cbac10b29922","issue":"2","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"603af929-fb72-43aa-8c76-cb15d796c16b","keyword":"<span style=\"color:red\">邻</span>羧基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"邻羧基苯基重氮氨基偶氮苯"},{"id":"ca530ea6-7d28-49e3-91fa-ccda4a8459ef","keyword":"镍","originalKeyword":"镍"},{"id":"5d62d2c7-1f0f-4bd2-b882-67436e6973b0","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"e4ed3782-ce11-4229-a882-4de5f5f1c6f1","keyword":"热镀锌合金","originalKeyword":"热镀锌合金"}],"language":"zh","publisherId":"yjfx200502010","title":"<span style=\"color:red\">邻</span>羧基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>光度法测定热镀锌合金中微量镍","volume":"25","year":"2005"},{"abstractinfo":"在Triton X-100存在下,研究了新试剂2-<span style=\"color:red\">羟基</span>-5-硝基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>(HNPDAAB)与铜的显色反应.在pH9.5～11.0的Na2B4O7-NaOH缓冲溶液中,试剂与铜生成1∶1深红色络合物,其表观摩尔吸光系数达1.21×105.于25mL溶液中,Cu2+浓度在0～10μg范围内符合比尔定律.方法用于铜矿和铝合金中铜的测定,结果与原子吸收法吻合.","authors":[{"authorName":"沈素眉","id":"200beb24-1b00-47e2-99a7-ac2b8877e3fd","originalAuthorName":"沈素眉"},{"authorName":"杨明华","id":"27f083e8-5c7a-41a7-bc3e-5a13078a9325","originalAuthorName":"杨明华"},{"authorName":"王智敏","id":"ef5c4fd6-6df0-4262-b4d9-dd65d64b45e7","originalAuthorName":"王智敏"},{"authorName":"郑云法","id":"03d4706f-8fac-4875-8146-307b208649a1","originalAuthorName":"郑云法"}],"doi":"10.3969/j.issn.1000-7571.2003.02.005","fpage":"14","id":"6c88f687-376a-4f63-8583-932aff8127a8","issue":"2","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"39287400-8b8a-4cd5-baea-289869c33c0c","keyword":"2-<span style=\"color:red\">羟基</span>-5-硝基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"2-羟基-5-硝基苯基重氮氨基偶氮苯"},{"id":"fa01e5d2-bdb6-4201-94c9-6a8c5cd220b6","keyword":"铜","originalKeyword":"铜"},{"id":"ad5eed9b-2802-4418-8747-01a49ca87a3a","keyword":"分光光度法","originalKeyword":"分光光度法"}],"language":"zh","publisherId":"yjfx200302005","title":"2-<span style=\"color:red\">羟基</span>-5-硝基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>光度法测定铜","volume":"23","year":"2003"},{"abstractinfo":"合成了新试剂2-甲硫基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>,并研究了它与Co(Ⅱ) 的显色反应.试验表明,在Na2B4i7-NAOiH缓冲溶液中,Triton X-100存在下,试剂与Co(Ⅱ) 形成2:1型红色络合物,最大吸收波长为540 m,表观摩尔吸光系数为2.42×105.在25mL溶液中钴质量在0～10μg范围内遵守比尔定律.用本法测定工业废水和维生素B12针剂中痕量钴,获得满意结果.","authors":[{"authorName":"袁跃华","id":"e6a34000-2746-4834-91ab-1b22d972fdd0","originalAuthorName":"袁跃华"},{"authorName":"田茂忠","id":"b3cf46be-74e9-473e-af4a-4c93b7c4fa53","originalAuthorName":"田茂忠"},{"authorName":"樊月琴","id":"572e8fcb-cd37-4b07-90bf-7715438f57a2","originalAuthorName":"樊月琴"},{"authorName":"郭永","id":"235914c1-aaf0-4469-a414-e11f4d3f58a1","originalAuthorName":"郭永"},{"authorName":"孟双明","id":"2398e181-d822-4268-8f34-dabd49f4153f","originalAuthorName":"孟双明"},{"authorName":"方国臻","id":"256bed0c-1505-4ebd-8735-940fbe056467","originalAuthorName":"方国臻"},{"authorName":"刘永文","id":"94ac4697-874b-48a5-9892-23237b4cb0c5","originalAuthorName":"刘永文"}],"doi":"10.3969/j.issn.1000-7571.2004.05.002","fpage":"5","id":"16333b8d-e206-40ab-9e8b-0c52249c6289","issue":"5","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"7db39483-a39e-45df-b8d1-3bc24d97f067","keyword":"2-甲硫基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"2-甲硫基苯基重氮氨基偶氮苯"},{"id":"77ac454f-f1a2-40a3-99c1-ff8ad81146c3","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"fff0f128-a48f-4a51-9c6a-6b82c0f3b0d8","keyword":"钴","originalKeyword":"钴"}],"language":"zh","publisherId":"yjfx200405002","title":"2-甲硫基<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>的合成及其与钴显色反应的研究","volume":"24","year":"2004"},{"abstractinfo":"研究了在TritonX-100存在下,Hg(Ⅱ)与新显色剂2-氯-4-溴<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>(CBBDAB)的显色反应.在pH 10.3的Na2B4O7-NaOH缓冲溶液中,Hg(Ⅱ)与CBBDAB形成1:2的红色络合物,络合物的最大吸收峰位于510 nm波长处,表观摩尔吸光系数ε=1.04×105,Hg(Ⅱ)含量在0～480μg/L范围内符合比尔定律.采用巯基葡聚糖凝胶(SDG)分离水中共存离子并富集汞,提高了方法的选择性.本法用于水样分析,结果满意.","authors":[{"authorName":"李艳辉","id":"161b4d0d-4aff-4df1-b69b-229d40da926a","originalAuthorName":"李艳辉"},{"authorName":"孙吉佑","id":"8a07532a-07f6-440e-aed1-7514c936954e","originalAuthorName":"孙吉佑"},{"authorName":"陈文宾","id":"b08e2637-8abc-41ea-8c21-dbe19117b807","originalAuthorName":"陈文宾"}],"doi":"10.3969/j.issn.1000-7571.2004.05.005","fpage":"14","id":"7c3f9172-acae-4a5b-b2f5-8854a0e3b764","issue":"5","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"f9c512bd-28fa-432c-9f79-d84e3a4ad7dd","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"b52d883d-bba7-4cb6-8255-ac0b7dd27a80","keyword":"巯基葡聚糖凝胶(SDG)","originalKeyword":"巯基葡聚糖凝胶(SDG)"},{"id":"8cccf0e6-663f-4cdb-9019-80902f1bac97","keyword":"2-氯-4-溴<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"2-氯-4-溴苯基重氮氨基偶氮苯"},{"id":"050d1d17-4c7f-4897-a066-fab90a94f950","keyword":"汞","originalKeyword":"汞"}],"language":"zh","publisherId":"yjfx200405005","title":"巯基葡聚糖凝胶分离富集2-氯-4-溴<span style=\"color:red\">苯基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>光度法测定汞","volume":"24","year":"2004"},{"abstractinfo":"合成了一种新型三<span style=\"color:red\">氮</span>烯类试剂5-氯-2-<span style=\"color:red\">羟基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>,并对该试剂与镉(Ⅱ)的显色反应进行了研究.结果表明,在pH10左右的硼砂-氢氧化钠缓冲介质中,以Triton X-100为增溶增敏剂,该试剂与镉(Ⅱ)形成2∶1的红色络合物,其最大吸收波长位于524nm处,表观摩尔吸光系数ε＝1.78×105,镉(Ⅱ)含量在0～25μg/25mL范围内遵守比尔定律.方法简便、快速、灵敏度高、选择性好,用于废水样品的测定,得到了较满意的结果.","authors":[{"authorName":"陈景文","id":"d24ade4f-f6d7-4de7-8c22-68cfa7129192","originalAuthorName":"陈景文"},{"authorName":"曹淑红","id":"9101c113-ee6d-4086-9bc6-87ac78868316","originalAuthorName":"曹淑红"},{"authorName":"潘教麦","id":"33b6b6a4-4236-4fa7-881e-c8c7306ab094","originalAuthorName":"潘教麦"}],"doi":"10.3969/j.issn.1000-7571.2002.06.001","fpage":"1","id":"878b3867-850f-4dfb-ab67-fdb13980c60a","issue":"6","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"9ca62b9f-c3d6-498a-8a18-842e9d622a4d","keyword":"5-氯-2-<span style=\"color:red\">羟基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"5-氯-2-羟基重氮氨基偶氮苯"},{"id":"c1d3dc48-9b71-4ab9-97fe-9f2e1ee3b139","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"8455bab4-5e99-4742-88bc-0e5228026f94","keyword":"镉(Ⅱ)","originalKeyword":"镉(Ⅱ)"}],"language":"zh","publisherId":"yjfx200206001","title":"5-氯-2-<span style=\"color:red\">羟基</span><span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>新显色剂的合成及其与镉(Ⅱ)的显色反应研究","volume":"22","year":"2002"},{"abstractinfo":"报道了新试剂对氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>的合成、纯化、结构鉴定及性质.研究了该试剂在TritonX-100存在下与镍的显色反应.在pH10.2的硼砂-氢氧化钠缓冲介质中,试剂与镍形成3:1橙红色络合物,其最大吸收波长位于504nm处,表观摩尔吸光系数为1.25×105,镍的浓度在0～0.24mg/L的范围内符合比尔定律.方法应用于铝合金中镍的测定,结果满意.","authors":[{"authorName":"周能","id":"db44507a-87d1-4278-845c-1289f5b25e7b","originalAuthorName":"周能"},{"authorName":"赵书林","id":"ccb5b8a0-c438-4257-99b9-b8672b667e0b","originalAuthorName":"赵书林"},{"authorName":"刘典梅","id":"724565a3-1850-4af1-9497-c8d517214005","originalAuthorName":"刘典梅"}],"doi":"10.3969/j.issn.1000-7571.2003.03.002","fpage":"6","id":"51fe0ffd-9d5f-4bf8-8827-995c808cda1c","issue":"3","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"aa4dfa01-5ae1-4fa5-9db0-7bdd5943ee8b","keyword":"对氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"对氯苯重氮氨基偶氮苯"},{"id":"1d9e854a-d47d-41c8-bd1b-cad6a713b08a","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"00ae8c97-e96b-4247-8442-c209aaed866c","keyword":"镍","originalKeyword":"镍"}],"language":"zh","publisherId":"yjfx200303002","title":"对氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>的合成及其与镍的显色反应","volume":"23","year":"2003"},{"abstractinfo":"报道了新显色剂喹啉基<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>与镉的显色反应及光度测定微量镉的新方法.在OP存在下的硼砂-氢氧化钠缓冲介质中,该试剂与镉反应生成2:1的橙红色络合物,最大吸收波长位于524nm,表观摩尔吸光系数ε=1.85×105,镉量在0～10μg/25mL范围内遵守比尔定律.显色反应具有良好的选择性,直接应用于工业废水中微量镉的测定,结果满意.","authors":[{"authorName":"李舒婷","id":"f2dc14b4-4489-4c3b-8085-aa69a6c4ad72","originalAuthorName":"李舒婷"},{"authorName":"赵书林","id":"9db4d61b-271c-40dc-b68f-9e0af8916c10","originalAuthorName":"赵书林"}],"doi":"10.3969/j.issn.1000-7571.1999.03.008","fpage":"21","id":"a25940a0-11ff-43e4-8f29-97e39dd5000c","issue":"3","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"d466aa8c-3c31-4bfc-b99a-290989b4dc4f","keyword":"喹啉基<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>","originalKeyword":"喹啉基重氮氨基偶氮苯"},{"id":"5069ddf3-e8cd-423d-9fc3-e07ef4b17437","keyword":"镉","originalKeyword":"镉"},{"id":"85feebf3-04e4-4d4f-a538-24eb4dbd0df5","keyword":"分光光度法","originalKeyword":"分光光度法"}],"language":"zh","publisherId":"yjfx199903008","title":"喹啉基<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>与镉的显色反应及其应用研究","volume":"19","year":"1999"},{"abstractinfo":"合成了一种新显色剂4-(4-氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span>)-4'-硝基<span style=\"color:red\">偶氮苯</span>(简称CDANA),并研究了该试剂与Cd(Ⅱ)的高灵敏显色反应.在60～65℃温度下,亚硫酸氢钠与甲醛反应半小时之后滴入苯胺生成苯胺基甲基磺酸钠,另将硝基苯胺重氮化得到重氮盐溶液滴入苯胺基甲基磺酸钠中得到4'-硝基-4-<span style=\"color:red\">氨基</span><span style=\"color:red\">偶氮苯</span>,然后将其滴入氯苯胺重氮化后的重氮盐溶液中,得经红外光谱检验和元素分析证实的目标产物.分光光度的研究结果表明,在Triton X-100存在下,于pH10.5的Na2B4O7-NaOH缓冲介质中,镉(Ⅱ)与试剂形成1:2的橙红色络合物,其最大吸收波长位于558 nm处,表观摩尔吸光系数为1.42×105 L·mol-1·cm-1,镉(Ⅱ)的质量浓度在0～0.75 μg/mL范围内服从比尔定律.所拟方法用于废水中微量镉的直接测定,结果与原子吸收光谱法一致.","authors":[{"authorName":"王贵芳","id":"b475a7d0-0bc6-4b8d-bfe8-b42c8aa30f5f","originalAuthorName":"王贵芳"},{"authorName":"邢云","id":"f153273e-c86f-483f-8551-c83b8a21aecb","originalAuthorName":"邢云"}],"doi":"10.3969/j.issn.1000-7571.2009.05.005","fpage":"20","id":"c70421a5-63c3-4eee-9cf0-164917cfd8b1","issue":"5","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析   "},"keywords":[{"id":"44ecf282-47bf-4e5b-bc7b-58e30e70c523","keyword":"4-(4-氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span>)-4'-硝基<span style=\"color:red\">偶氮苯</span>","originalKeyword":"4-(4-氯苯重氮氨基)-4'-硝基偶氮苯"},{"id":"7f80759e-cff7-483d-aaf9-359788a0938c","keyword":"镉","originalKeyword":"镉"},{"id":"52a3b954-9cf6-4917-9c6e-e69765f4ad51","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"8c4424b0-fc06-4159-bf60-78d89578b900","keyword":"合成","originalKeyword":"合成"}],"language":"zh","publisherId":"yjfx200905005","title":"4-(4-氯苯<span style=\"color:red\">重</span><span style=\"color:red\">氮</span><span style=\"color:red\">氨基</span>)-4'-硝基<span style=\"color:red\">偶氮苯</span>的合成及其与镉(Ⅱ)的显色反应","volume":"29","year":"2009"}],"totalpage":1595,"totalrecord":15943}