Overview
Iodide in water refers to dissolved iodide ions (I⁻), a key parameter in environmental and industrial water analysis. It naturally occurs in seawater and some groundwater, but concentrations are often monitored due to its role in thyroid function and potential health impacts. Industrially, iodide solutions are used in pharmaceuticals (e.g., contrast agents) and water disinfection processes. Regulatory bodies like the WHO and EPA set guidelines for iodide levels in drinking water, typically below 100 µg/L to prevent iodine deficiency or excess. Analytical methods such as ion chromatography or spectrophotometry are employed for precise measurement.
Physical and Chemical Properties
Iodide ions are colorless and odorless in aqueous solutions, with high solubility due to their small size and charge. They exhibit redox activity, readily oxidizing to iodine (I₂) in the presence of strong oxidants like chlorine. This property is exploited in water treatment to remove excess iodide. In solution, iodide forms complexes with metals like mercury and silver, which is leveraged in analytical chemistry for titrations. Its molar absorptivity in UV-Vis spectroscopy allows for sensitive detection at trace levels (≤1 µg/L). Temperature and pH minimally affect its stability, but sunlight can accelerate oxidation.
Main Applications
In water treatment, iodide is monitored to assess disinfection byproduct risks, as it can react with oxidants to form iodinated compounds. The pharmaceutical industry uses potassium iodide (KI) solutions for thyroid protection and radiographic imaging. Industrially, iodide serves as a catalyst in polymer production and a component in electrolytes for batteries. Environmental labs analyze water samples for iodide to comply with regulations, particularly near coastal areas or industrial discharges. Its role in preventing iodine deficiency makes it vital in fortified drinking water programs.
Safety and Storage
While iodide ions are low-toxicity, concentrated solutions may irritate skin and eyes. Storage requires airtight containers (e.g., HDPE bottles) to prevent oxidation, ideally in cool, dark conditions. Labeling should indicate concentration and hazard symbols if applicable. In labs, avoid mixing iodide with strong acids or oxidizers (e.g., hydrogen peroxide), which can release toxic iodine vapors. Spills should be neutralized with sodium thiosulfate and rinsed with water. PPE like gloves and goggles is recommended for handling concentrated solutions.
B2B Procurement Guide
For bulk procurement, prioritize suppliers with ISO 9001 certification and batch-specific Certificates of Analysis (CoA). Key specifications include purity (≥99% for industrial use), absence of heavy metals, and compliance with USP or Reagent Grade standards. Pricing varies by volume and purity; technical-grade iodide costs approximately $50-$100/kg, while pharmaceutical-grade may exceed $150/kg. Consider long-term contracts for stable supply chains, especially for water treatment plants. Verify shipping conditions (e.g., non-reactive packaging) and regional regulations, as some countries restrict iodide imports.
Related Manufacturers
- 主营：风速计、测量仪、分析仪、水质仪、噪声仪、测定仪、传感器、cod氨氮、体温仪、照度仪、溴离子、消解仪、体温枪、酸度计、探测器、红外线、测尘仪、干燥箱、检测仪、采样器、显微镜、测色仪、电导仪、voc气体、报警器
- 主营：检测仪、声级计、智能红外、水质自动、水质采样器、静电能谱、职业卫生、生物安全柜、电子流量计、红外测温仪、烟气测试仪、气体分析仪、烟尘采样器、明渠流量计、微生物采样器、气溶胶采样器、厨房油烟检测
- 主营：生物安全柜、定量采样机器人、油气回收检测仪、水质多参数检测仪、在线水质采样器、厌氧培养箱、便携式油烟检测仪、红外测油仪、液液萃取仪、二氧化碳培养箱、采样工作站、菌落计数器、恒温恒湿称重系统、自动烟尘烟气测试仪、双路烟气采样器、烟气流速流量测定仪、烟气汞取样管、大气采样器、颗粒物采样器、恶臭气体采样器、环境氟化物采样器、二恶英采样器、真空气袋采样器、气体流量校准仪、微生物气溶胶浓缩器
- 主营：检查仪、采样器、测试仪、水质重金属检测仪、测定仪、抓拍仪、检测仪、测定bod5、污水厂bod、泵吸静电、检测油烟、汽车黑烟、称重系统、静电收集、voc分析仪、过滤效率、大气颗粒、曼黑度仪、测定油烟、恒湿半自动、烟气分析仪、路恒流大气、检测分析仪、烟气黑度仪、生化需氧量、口罩颗粒物
- 主营：玻璃纤维滤筒、石英纤维滤筒、土壤气体采集器、2015水质碘化物测定、静态箱、纳氏试剂
- 主营：分析仪、监测仪、报警仪、水质重金属检测仪、测量仪、臭氧计、加热器、均浆机、黑度仪、测定仪、传感器、流量计、采样器、传声器、频率计、烟度计、机器人、控制器、测试仪、无人机、防护包、探测器、浊度仪、防护箱、抽滤仪、检测仪
- 主营：甲基丙烯酸十二酯、甲基丙烯酸十六酯、甲基丙烯酸十八酯、丙烯酸十二酯、丙烯酸十六酯、丙烯酸十八酯、V50引发剂、偶氮二异丁咪唑啉盐酸盐、N-乙酰己内酰胺、硅烷偶联剂、双马来酰亚胺、马来酸酯、缩水甘油酯、缩水甘油醚、甲基咪唑、N-异丙基丙烯酰胺、金属萃取剂
- 主营：桐油、甘油、乙二醇、麦芽糊精、磷酸、三乙醇胺、亚磷酸二甲酯、碳酸甲乙酯、磷酸铁、碘化钠、葡萄糖酸钠、甲基吡咯烷酮、丙二醇、二甲基乙酰胺、二价酸酯、丙二醇甲醚、二甲基亚砜、无水乙醇、甲醇、二甲苯、正丁醇、正己烷、醋酸乙酯、谷氨酸钠
- 主营：6-二羟基吲哚、磷钼酸、艾拉莫德中间体、丁酰基硫代胆碱碘化物、甲基丙二酸、光引发剂、苯芴醇、溴芬酸钠中间体、樟脑醌、钼酸钾、丝素蛋白、盐酸胍、β-丙氨酸甲酯盐酸盐、聚二羟基吲哚、7-去氢胆固醇、甘氨胆酸钠盐、半叶素、胆固醇、2-辛基十二醇、蛋白酶K、D-荧光素钾盐、光引发剂LAP、BIS-TRIS、甲基丙烯酸氧杂环丁烷
- 主营：肌氨酸钠、硫化锰、V50偶氮二异丁脒盐酸盐、碘化物、腰果酚缩水甘油醚、乙硫氮、二新癸酸二甲基锡、三硫代碳酸钠、PX-4MP、芥酸PKO、四氧化三锰
- 主营：乙二醇、甘油、防冻液、合成有机碘化物、丙三醇
- 主营：离子液体、5-二甲基吡唑、咪唑、全氟辛基季胺碘化物、催化剂、阻燃剂、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、全氟辛基三甲氧基硅烷、丙酮肟、双酚E型氰酸酯、叔丁基乙烯基醚、钯碳催化剂、钛硅分子筛、硫酸烟酰苯胺、丙酮缩氨基硫脲
- 主营：全氟三丁胺、二苄叉山梨醇、六氟丙烯二聚体、六氟环氧丙烷二聚体、异丙醇铝、纳米勃姆石、二异戊基硫醚、隐色结晶紫、邻菲罗啉
- 主营：防冻液、冰醋酸、乙二醇、冰乙酸、纯吡啶、丙二醇、羟基苯、14丁二醇、3-丙三醇、四氢呋喃、环保乙腈、化工苯酚、1.4丁二醇、医用苯酚、工业苯酚、精制苯酚、价位四氢、乙腈工业、乙酸乙酯、吡啶化工、甲酸乙酯、吡啶工业、求购苯酚、高纯三氯、实验乙腈
- 主营：福美钠、漂白粉、次氯酸钠、强氯精、漂粉精、DOP、DBP、蛋白胨
- 主营：元明粉、丙酸钙、玻璃粉、冰醋酸、液压油、浮选油、草酸铵、生石灰、硅酸钠、单宁酸、胶泥粉、降阻剂、冰晶石、二萘酚、促进剂、熟石灰、三甘醇、大豆蜡、泡花碱、铵明矾、石英砂、丙二醇、edta四钠、edta二钠、维生素b1
- 主营：甘氨酸、胍基乙酸、牛磺酸、沙蒿胶、黄原胶、卡拉胶、瓜尔豆胶、半胱氨酸、氨基丁酸、L-精氨酸、食品级亚硫酸氢钠、苯丙氨酸、谷氨酰胺、酪蛋白酸钠、胱氨酸、色氨酸、肌酸、富硒酵母、富铬酵母、氯化胆碱、魔芋粉、可可粉、L-抗坏血酸/vc、亮氨酸、干酪素/酪蛋白
- 主营：叔碳酸、十八醛、溶菌酶、碘化物、海藻糖、癸二醇、氨基丙基、氢路噻嗪、邻苯二甲、乙基碳二、羟基癸酸、正十七烷、谷胱甘肽、烷二甲醇、松果体素、vc磷酸酯镁、2-甲基丁醛、朱栾倍半萜、丁烷四乙酸、表面活性剂、癸烷撑二醇、缩水甘油邻、10-羟基羊蜡酸、氢氯噻嗪杂质、盐酸邻菲罗啉、壳聚糖季铵盐