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84727

Supelco

Ácido sulfúrico

for the determination of nitrogen, ≥97.0%

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About This Item

Fórmula lineal:
H2SO4
Número de CAS:
7664-93-9
Peso molecular:
98.08
Beilstein:
2037554
Número CE:
231-639-5
Número MDL:
MFCD00064589
Código UNSPSC:
12000000
ID de la sustancia en PubChem:
329769317
NACRES:
NA.21

grado

for inorganic trace analysis

Nivel de calidad

100

Agency

suitable for SM 4500 - NH3

densidad de vapor

<0.3 (25 °C, vs air)

presión de vapor

1 mmHg ( 146 °C)

descripción

Nominally 95-98% H2SO4

Ensayo

≥97.0%

Formulario

liquid

calidad

for the determination of nitrogen

impurezas

≤0.0005% total nitrogen (N)

residuo de ign. (900 °C)

≤0.0005%

color

clear

bp

~290 °C (lit.)

densidad

1.840 g/mL at 25 °C (lit.)

cadena SMILES

OS(O)(=O)=O

InChI

1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

Clave InChI

QAOWNCQODCNURD-UHFFFAOYSA-N

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Descripción general

Sulfuric acid can be produced by dry distillation of iron sulfate heptahydrate, copper sulfate pentahydrate. When these compounds were heated they decompose to form iron and copper oxides eliminating water and sulphur trioxide which combine together to form dilute solution of sulphuric acid. It is suitable as dehydrating agent, catalyst, active reactant in chemical industry. It is also suitable to control pH of saline solutions to strong fuming acids.

Aplicación

Sulfuric acid may be used as digestive reagent in Kjeldahl method to determine nitrogen.

Pictogramas

Corrosion
GHS05

Palabra de señalización

Danger

Frases de peligro

H290,H314

Clasificaciones de peligro

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Código de clase de almacenamiento

8B - Non-combustible corrosive hazardous materials

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
STBL4801
STBL4800
STBL4391
STBL3532
STBL3013

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A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents (2013)
Nitrogen determination by a continuous digestion and analysis system.
Ferrari, Andres.
Annals of the New York Academy of Sciences, 87, 792-800 (1960)
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Nature, 502(7471), 359-363 (2013-10-08)
Nucleation of aerosol particles from trace atmospheric vapours is thought to provide up to half of global cloud condensation nuclei. Aerosols can cause a net cooling of climate by scattering sunlight and by leading to smaller but more numerous cloud
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Science (New York, N.Y.), 344(6185), 717-721 (2014-05-17)
Atmospheric new-particle formation affects climate and is one of the least understood atmospheric aerosol processes. The complexity and variability of the atmosphere has hindered elucidation of the fundamental mechanism of new-particle formation from gaseous precursors. We show, in experiments performed
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Journal of immunology (Baltimore, Md. : 1950), 193(4), 1600-1608 (2014-07-16)
Subepidermal autoimmune blistering dermatoses (AIBD) are prototypic autoantibody-mediated diseases. In epidermolysis bullosa acquisita (EBA), an autoimmune disease with severe and chronic skin blistering, autoantibodies are directed against type VII collagen. IgG is the predominant autoantibody isotype of EBA, the pathogenicity
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