1.12080
Sulfuric acid
98%, for analysis EMSURE®
Sinónimos:
Sulfuric acid
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Nombre del producto
Ácido sulfúrico, for analysis EMSURE®
vapor density
<0.3 (25 °C, vs air)
Quality Segment
vapor pressure
0.0001 hPa ( 20 °C), 1 mmHg ( 146 °C)
product line
EMSURE®
assay
≥98% (alkalimetric)
form
liquid
impurities
≤0.0002% Substances reducing potassium permanganate (as SO2)
ign. residue
≤0.0005%
color
APHA: ≤10
pH
0.3 (25 °C, 49 g/L in H2O)
bp
~290 °C (lit.)
mp
-20 °C
density
1.840 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.00001%, nitrate (NO3-): ≤0.00002%, phosphate (PO43-): ≤0.00005%
SMILES string
OS(O)(=O)=O
cation traces
Ag: ≤0.000002%, Al: ≤0.000005%, As: ≤0.000001%, Ba: ≤0.000005%, Be: ≤0.000001%, Bi: ≤0.00001%, Ca: ≤0.00002%, Cd: ≤0.000002%, Co: ≤0.000001%, Cr: ≤0.000005%, Cu: ≤0.000001%, Fe: ≤0.00001%, Ge: ≤0.000005%, K: ≤0.00001%, Li: ≤0.000001%, Mg: ≤0.000005%, Mn: ≤0.000001%, Mo: ≤0.000005%, NH4+: ≤0.0002%, Na: ≤0.00005%, Ni: ≤0.000002%, Pb: ≤0.000002%, Se: ≤0.0001%, Sr: ≤0.000002%, Ti: ≤0.00001%, Tl: ≤0.000005%, V: ≤0.000001%, Zn: ≤0.000005%, Zr: ≤0.00001%
storage temp.
no temp limit
InChI
1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
InChI key
QAOWNCQODCNURD-UHFFFAOYSA-N
Application
- Simultaneous determination of monochloropropanediol esters and glycidyl esters in vegetable oils by acidic transesterification-gas chromatography-mass spectrometry.: This study by Wang et al. presents a method for detecting harmful compounds in vegetable oils using sulfuric acid for transesterification, followed by GC-MS analysis (Wang et al., 2022).
- Evaluation of an improved acid hydrolysis-HPLC assay for the acetyl content in chitin and chitosan.: Ng et al. developed an enhanced HPLC method for measuring acetyl content in biopolymers, utilizing sulfuric acid for hydrolysis to ensure accurate quantification (Ng et al., 2006).
Analysis Note
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 0.00001 %
Nitrate (NO₃): ≤ 0.00002 %
Phosphate (PO₄): ≤ 0.00005 %
Ag (Silver): ≤ 0.000002 %
Al (Aluminium): ≤ 0.000005 %
As (Arsenic): ≤ 0.000001 %
Ba (Barium): ≤ 0.000005 %
Be (Beryllium): ≤ 0.000001 %
Bi (Bismuth): ≤ 0.00001
Ca (Calcium): ≤ 0.00002 %
Cd (Cadmium): ≤ 0.000002 %
Co (Cobalt): ≤ 0.000001 %
Cr (Chromium): ≤ 0.000005 %
Cu (Copper): ≤ 0.000001 %
Fe (Iron): ≤ 0.00001
Ge (Germanium): ≤ 0.000005 %
K (Potassium): ≤ 0.00001 %
Li (Lithium): ≤ 0.000001 %
Mg (Magnesium): ≤ 0.000005 %
Mn (Manganese): ≤ 0.000001 %
Mo (Molybdenum): ≤ 0.000005 %
NH₄ (Ammonium): ≤ 0.0002 %
Na (Sodium): ≤ 0.00005 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.000002 %
Se (Selenium): ≤ 0.0001 %
Sr (Strontium): ≤ 0.000002 %
Ti (Titanium): ≤ 0.00001
Tl (Thallium): ≤ 0.000005 %
V (Vanadium): ≤ 0.000001 %
Zn (Zinc): ≤ 0.000005 %
Zr (Zirconium): ≤ 0.00001
Substances reducing potassium permanganate (as SO₂): ≤ 0.0002 %
Residue on ignition: ≤ 0.0005 %
Date of expiry: see product label
Legal Information
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Danger
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
hcodes
Clase de almacenamiento
8B - Non-combustible corrosive hazardous materials
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