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Merck
CN

84727

Supelco

硫酸

for the determination of nitrogen, ≥97.0%

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About This Item

线性分子式:
H2SO4
CAS号:
分子量:
98.08
Beilstein:
2037554
EC 号:
MDL编号:
UNSPSC代码:
12000000
PubChem化学物质编号:
NACRES:
NA.21

等级

for inorganic trace analysis

质量水平

Agency

suitable for SM 4500 - NH3

描述

Nominally 95-98% H2SO4

方案

≥97.0%

表单

liquid

质量

for the determination of nitrogen

杂质

≤0.0005% total nitrogen (N)

灼烧残渣 (900 °C)

≤0.0005%

颜色

clear

SMILES字符串

OS(O)(=O)=O

InChI

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

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

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一般描述

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.

应用

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

象形图

Corrosion

警示用语:

Danger

危险声明

危险分类

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

储存分类代码

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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

法规信息

新产品

从最新的版本中选择一种:

分析证书(COA)

Lot/Batch Number

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Navin G. Ashar, Kiran R. Golwalkar
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)
Francesco Riccobono et al.
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
Andreas Recke et al.
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
Toshika Ohkawa et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(24), 8151-8163 (2014-06-13)
Autoimmune forms of encephalitis have been associated with autoantibodies against synaptic cell surface antigens such as NMDA- and AMPA-type glutamate receptors, GABA(B) receptor, and LGI1. However, it remains unclear how many synaptic autoantigens are yet to be defined. Using immunoproteomics

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