1.05590

氢氧化钠溶液，约32%

(for the determination of nitrogen) for analysis EMSURE^®

• 同義詞: 氢氧化钠 溶液
• 線性公式: NaOH
• CAS號碼: 1310-73-2
• 分子量：: 40.00
• MDL號碼: MFCD00003548
• 分類程式碼代碼: 12352305
• NACRES: NA.21

屬性

• 蒸汽壓力: 3 mmHg ( 37 °C); 8 hPa ( 20 °C)
• 品質等級: 300
• 產品線: EMSURE^®
• pH值: 14 (20 °C in H₂O)
• mp: 9 °C
• 密度: 1.35 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

描述

應用

• Long-term durability of discarded cork-based composites obtained by geopolymerization.: This study utilizes a 32% sodium hydroxide solution to enhance the geopolymerization of discarded cork-based composites, demonstrating its effectiveness in improving long-term durability and environmental sustainability of building materials (Poggetto GD et al., 2024).


• Lactose-6-phosphate as an alternative to disodium phosphate in the production of processed cheese food.: Research highlights the application of a 32% sodium hydroxide solution in dairy processing, specifically in adjusting pH to optimize the use of lactose-6-phosphate as a stabilizer in processed cheese, showcasing its potential in food science (Alsaleem KA et al., 2024).


• Production of chitosan from shrimp shell using ultrasound followed by subcritical water hydrolysis.: This publication discusses the use of a 32% sodium hydroxide solution in the extraction and purification of chitosan from shrimp shells, using advanced techniques like ultrasound and subcritical water hydrolysis, underscoring its crucial role in biopolymer production (Matouri M et al., 2024).


• [Determination of boric acid and silicic acid in mineral water by nonsuppressed ion chromatography].: The use of a 32% sodium hydroxide solution is explored for the ion chromatographic analysis of boric and silicic acids in mineral water, reflecting its importance in analytical chemistry and environmental monitoring (Yang Z et al., 2023).


• Lanthanum and magnesium activated palygorskite for adsorption of phosphate in piggery wastewater.: This research employs a 32% sodium hydroxide solution to activate palygorskite for phosphate adsorption in wastewater treatment, demonstrating its effectiveness in improving water treatment technologies (Zhang X et al., 2023).

分析報告

含量测定（酸量滴定法，NaOH）： ≥ 32.0 %
碳酸盐（以Na₂CO₃计）： ≤ 0.2 %
氯化物（Cl）： ≤ 0.004 %
磷酸盐（PO₄）： ≤ 0.0005％
硅酸盐（SiO₂）： ≤ 0.001 %
硫酸盐（SO₄）： ≤ 0.003 %
总氮（N）： ≤ 0.0001 %
重金属（以铅计）： ≤ 0.0005 %
Al（铝）： ≤ 0.0005 %
Fe（铁）： ≤ 0.0005 %

法律資訊

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

安全資訊

• 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