Sulfuric Acid Standard Solution
Overview
Sulfuric acid standard solution is a precisely formulated reagent with a known concentration, essential for volumetric analysis in laboratories. It is typically prepared by diluting concentrated sulfuric acid to a specific molarity, often 0.1M, 1M, or other standardized values. Standard solutions are critical for accurate titrations in quantitative chemical analysis. The preparation requires careful measurement and often includes standardization against a primary standard like sodium carbonate to verify exact concentration.
Physical and Chemical Properties
As a standard solution, sulfuric acid exhibits the same chemical properties as its pure form but at a controlled, lower concentration. It remains a strong diprotic acid, fully dissociating in water to release hydrogen ions. The solution is highly corrosive to metals and organic materials. Its hygroscopic nature requires careful handling to prevent absorption of atmospheric moisture, which could alter the concentration. The density and viscosity vary with concentration, affecting handling and measurement precision in laboratory workflows.
Main Applications
The primary use of sulfuric acid standard solution is in acid-base titrations for determining the concentration of alkaline substances. It serves as a titrant in many analytical procedures across pharmaceutical, environmental, and industrial quality control laboratories. Additional applications include pH adjustment in chemical processes, preparation of other standardized solutions, and as a component in electrolyte solutions for lead-acid batteries. Its standardized nature ensures reproducibility in experimental results and industrial processes.
Safety and Storage
Even in diluted form, sulfuric acid standard solution requires strict safety precautions. Always use chemical-resistant gloves, goggles, and lab coats when handling. Spills should be neutralized with bicarbonate solutions and cleaned immediately. Storage must be in chemical-resistant containers (usually glass or specific plastics) with tight-fitting lids. Solutions should be labeled with concentration, preparation date, and hazard symbols. Shelf life typically ranges from 6 months to 2 years depending on concentration and storage conditions.
B2B Procurement Guide
When procuring sulfuric acid standard solutions commercially, specify the exact molarity required and any certification needs (e.g., ASTM, USP, or analytical grade). Batch-specific certificates of analysis should be requested. Consider delivery formats - some suppliers offer ready-to-use solutions in various packaging from small amber glass bottles to larger carboys. For frequent users, some manufacturers provide customized solutions with specific titers or stabilizers. Always verify the supplier's quality control procedures and compliance with relevant industry standards.
Related Manufacturers
- 主营：化学试剂、氯金酸、卡尔费休、硫酸锰、乙醇、异丙醇、药用辅料、依地酸钙钠、碳酸钠、盐酸氨丁三醇、龙胆酸、枸橼酸钠、甲醇、氢氧化钠、钴锰催化剂、乙腈、色谱试剂、助剂、指示剂、醋酸锰、醋酸钴、氨丁三醇、尿素、硼酸
- 主营：无水乙醇、乙酸乙酯、磷酸、硫酸铈、甲醇、乙二醇、二氯甲烷、异丙醇、二甲苯、各种化学试剂、化工原料
- 主营：化学试剂、高纯试剂、色谱试剂、无水硫酸镁、基准试剂、标准溶液、生化试剂、优级纯试剂、光谱纯试剂、三羟甲基氨基甲烷、碳酸钡、无水碳酸钠、碳分子筛、分析纯试剂、生物染色剂、六偏磷酸钠、NKC-9树脂、NKA-II树脂、乙酸铝、乙酸钾、无水碳酸钾、磷酸三钠
- 主营：9000-40-2、2068-80-6、4635-59-0、硫酸锌、5122-20-3、甘氨酸、水苏糖、阻燃剂、乙酸镍、3051-09-0、月桂胺、9000-07-1、9012-76-4、4861-19-2、9000-70-8、铝酸锂、1483-28-9、6295-87-0、7681-52-9、碳酸镨、磷酸铁、灭火剂、水合肼、碳酸镁、桔子油
- 主营：分析标准品、质控样品、试液、缓冲液、指示液、滴定液、标准溶液、标准物质、标准样品
- 主营：直链淀粉标准溶液、支链淀粉标准溶液、环氧乙烷标准溶液、硫酸钾试液、碱性碘化汞钾标准溶液、土壤易溶盐、嗅辨考核液、2020药典纯化水检测试剂、可见异物标准物质、玻璃微珠粒度、土壤标准物质、溶液标准物质、铝土矿标准物质、氯化钠渗透压、苯甲酸标准物质、微粒标准物质
- 主营：铜矿石、铁精粉、铝土矿、锰矿石、硫精矿、水稻土、金矿石、铁矿石、石灰石、烧结矿、醛酮类、2ml标准、半自动、硫铁矿、铜精矿、硅锰合金、标准物质、标准样品、甲醇中邻、瓶带证书、硅钙钡铝、甲醇中对、土壤全量、红外波数、袋带证书
- 主营：分析仪、0-1000ntu、弹簧管、粉尘仪、真空表、测量仪、水分仪、高度计、给皂机、粉碎机、计量片、辐射仪、cr-100-tu、活度仪、混匀仪、润滑油、露点仪、水质铁、涂布器、0-2000ppm、台式带、测尘仪、测氡仪、pm240-iii、粘度计
- 主营：染色液、乙氨酸、噻唑兰、喷雾剂、封片剂、清除剂、试剂盒、研试剂、转膜液、dpph试剂、page凝胶、te缓冲液、pbs缓冲液、检测溶液、核酸染料、中性树胶、胰蛋白酶、纤维素酶、染色试剂、mes缓冲液、faa固定液、甲苯胺蓝、生化试剂、实验试剂、ctab抽提液
- 主营：氟苯基、n-氯乙酰、二氧杂葵、硫酸铜标液、氟喹唑啉、氮杂吲哚、正亮氨酸、乙氧基杯、邻苯二甲、氟苯氧基、羟基吡啶、丁基二氟、乙酰基对、溴异喹啉、噻唑羧酸、氟苯甲酸、氟甲基吡嗪、异丙氧羰基、异硫氰酸酯、酯苯磺酸盐、甲氧基溴苄、苄氧基羰基、丝氨酸苄酯、硫氰酸苯酯、氧胆酸中间体、高丝氨酸内酯
- 主营：二乙基、黄棕6gd、异戊酯、硫酸锂、草酸镍、草酸镱、香叶酯、赤松素、硫化钇、锡酸钠、氯苯基、甲硫基、硫化黑、精氨酸、cnidimola、甘氨酰、平平加、溴喹啉、地衣酸、松脂素、锑酸钠、氟苯肼、硼酸盐、氯吡唑、硼酸锌
- 主营：钛酸酯、阻燃剂、彩色显影剂 CD-3、硫酸铜标液、彩色显影剂 CD-4、催化剂、邻苯三酚、L-丙交酯、左旋樟脑磺酸、右旋樟脑磺酸、三碘化硼、纳斯特试剂、抗氧剂1135、光稳定剂292、硅烷偶联剂
- 主营：次氯酸钠
- 主营：喷雾干燥机、氮吹仪、蒸馏仪、氮气发生器、微波消解仪、石墨消解仪、固相萃取仪、光化学反应仪、脂肪测定仪、真空平行浓缩仪、短程分子蒸馏仪、液液萃取仪、cod回流消解仪、气体发生器、定氮仪、氮气循环喷雾干燥机、冷冻干燥机、薄膜蒸发器、降膜蒸发器、精馏塔装置、恒温解冻仪、硫化物酸化吹气仪、微生物限度检测仪、放射性水样蒸发浓缩赶酸仪、集菌仪