1.11584

氢氧化钠 溶液

c(NaOH) = 4 mol/l (4 N), ready-to-use volumetric solution for titration, Titriplex^®

• 线性分子式: NaOH
• CAS号: 1310-73-2
• 分子量: 40.00
• MDL號碼: MFCD00003548
• 分類程式碼代碼: 12352305
• NACRES: NA.21

属性

• product name: 氢氧化钠 溶液, c(NaOH) = 4 mol/l (4 N), Titripur^®
• 蒸汽壓力: 3 mmHg ( 37 °C)
• 品質等級: 200
• 產品線: Titripur^®
• 形狀: liquid
• 品質: Analyzed in our ISO 17025 accredited QC lab
• 反應適用性: reaction type: Acid-base reactions
• 濃度: 4 M
• 技術: titration: suitable
• pH值: 14 (20 °C in H₂O)
• 密度: 1.15 g/cm³ at 20 °C
• 儲存溫度: 15-25°C
• SMILES 字串: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI 密鑰: HEMHJVSKTPXQMS-UHFFFAOYSA-M

说明

應用

• Analytical Applications of a Liquid Anion-Exchanger for the Separation of Uranium(IV) in Malonate Solution.: This study investigates the use of Sodium hydroxide solution in the preparation of a liquid anion-exchanger. The solution facilitates the separation of uranium(IV) in malonate solution, demonstrating a key application in analytical chemistry for nuclear material processing (Dalvi and Khopkar, 1978).


• Environmental Sustainability and Physicochemical Property Screening of Chitin and Chitin-Glucan from 22 Fungal Species.: Sodium hydroxide solution is used in the extraction and processing of chitin and chitin-glucan from fungal species. The study evaluates the environmental sustainability and physicochemical properties of these biopolymers (Grifoll et al., 2024).


• Rapid Determination of Total Flavonoid Content, Xanthine Oxidase Inhibitory Activities, and Antioxidant Activity in Prunus mume by Near-Infrared Spectroscopy.: Sodium hydroxide solution is employed in sample preparation for the rapid determination of flavonoid content and enzymatic activity using near-infrared spectroscopy, highlighting its role in enhancing analytical techniques (Hao et al., 2024).


• Application of Near-Infrared Spectroscopy for Screening of Chlorothiazide Sodium Vials.: This research utilizes Sodium hydroxide solution in the preparation of samples for near-infrared spectroscopy screening of pharmaceutical vials, demonstrating its application in quality control processes (Isaacs et al., 2024).


• Preparation and Characterization of Hybrid Polypyrrole Nanoparticles as a Conducting Polymer with Controllable Size.: Sodium hydroxide solution is used in the synthesis of polypyrrole nanoparticles, which are characterized for their electrical properties and potential applications in electronic devices (Mahmood et al., 2024).

特點和優勢

认证：
此滴定溶液由我们获得DAkkS（Deutsche Akkreditierungsstelle，德国国家认证机构）DIN EN ISO/IEC 17025标准的滴定溶液物质的量浓度分析认可的校准实验室D-K-15185-01-00分析。认证证书请见www.sigmaaldrich.com/ISO17025.

分析報告

形态：液体
物质的量浓度：3.980 - 4.020 mol/L
测量不确定度± 0.012 mol/L
可溯源至NIST SRM

浓度通过容量滴定法在20℃测定。
此滴定溶液的物质的量浓度是使用符合ISO 17034的认证标准物质邻苯二甲酸氢钾基准试剂（货号1.02400）标定的，并可溯源至美国盖瑟斯堡国家标准技术研究所的一级标准参考物质（SRM）（NIST SRM 84邻苯二甲酸氢钾），由我们的DIN EN ISO/IEC 17025认可的德国达姆施塔特默克校准实验室负责分析。不确定度表示为扩展的测量不确定度，覆盖因子k = 2，覆盖95％的置信度。

注意：滴定度是一种用于校正容量滴定溶液、滴定设备、温度和其他实验室条件变化的校正因子。为了获得正确的滴定结果，建议在打开新瓶后并在一定时间间隔内，立即使用实验室专用设备并在实验室特定条件下对滴定度进行确定。

法律資訊

Titripur is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形圖: GHS05
• 訊號詞: Danger
• 危險聲明: H290 - H314
• 防範說明: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• 危險分類: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• 儲存類別代碼: 8B - Non-combustible, corrosive hazardous materials
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable