1.05590
Sodium hydroxide solution
about 32%, (for the determination of nitrogen) for analysis EMSURE®
Synonym(s):
Sodium hydroxide solution
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About This Item
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
UNSPSC Code:
12352305
NACRES:
NA.21
MDL number:
Product Name
Sodium hydroxide solution about 32%, (for the determination of nitrogen) for analysis EMSURE®
Quality Level
vapor pressure
3 mmHg ( 37 °C), 8 hPa ( 20 °C)
product line
EMSURE®
pH
14 (20 °C in H2O)
mp
9 °C
density
1.35 g/cm3 at 20 °C
storage temp.
15-25°C
SMILES string
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
Application
- 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).
Analysis Note
Assay (acidimetric,NaOH): ≥ 32.0 %
Carbonate (as Na₂CO₃): ≤ 0.2 %
Chloride (Cl): ≤ 0.004 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Carbonate (as Na₂CO₃): ≤ 0.2 %
Chloride (Cl): ≤ 0.004 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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Danger
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
wgk
WGK 1
hcodes
Storage Class
8B - Non-combustible corrosive hazardous materials
Certificates of Analysis (COA)
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