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30709

Sigma-Aldrich

Ácido nítrico

puriss. p.a., reag. ISO, reag. Ph. Eur., for determinations with dithizone, ≥65%

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About This Item

Fórmula empírica (Notação de Hill):
HNO3
Número CAS:
7697-37-2
Peso molecular:
63.01
Número MDL:
MFCD00011349
Código UNSPSC:
12352106
ID de substância PubChem:
329753565
NACRES:
NA.21

grau

for determinations with dithizone
puriss. p.a.

Nível de qualidade

200

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

pressão de vapor

8 mmHg ( 20 °C)

Ensaio

≥65%

forma

liquid

resíduo de ignição

≤0.0005% (as SO4)

pH

<1.0

pb

120.5 °C (lit.)

densidade

1.37-1.41 g/mL at 20 °C (lit.)

traços de ânion

chloride (Cl-): ≤0.5 mg/kg
phosphate (PO43-): ≤0.5 mg/kg
sulfate (SO42-): ≤0.5 mg/kg

traços de cátion

Ag: ≤0.01 mg/kg
Al: ≤0.05 mg/kg
As: ≤0.01 mg/kg
Ba: ≤0.01 mg/kg
Be: ≤0.01 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.1 mg/kg
Cd: ≤0.01 mg/kg
Co: ≤0.01 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.01 mg/kg
Fe: ≤0.1 mg/kg
Ge: ≤0.05 mg/kg
Hg: ≤0.01 mg/kg
K: ≤0.05 mg/kg
Li: ≤0.01 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.01 mg/kg
Mo: ≤0.02 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.01 mg/kg
Sr: ≤0.01 mg/kg
Ti: ≤0.1 mg/kg
Tl: ≤0.05 mg/kg
V: ≤0.01 mg/kg
Zn: ≤0.05 mg/kg
Zr: ≤0.1 mg/kg

cadeia de caracteres SMILES

O[N+]([O-])=O

adequação

passes test for suitability for det. with dithizone

InChI

1S/HNO3/c2-1(3)4/h(H,2,3,4)

chave InChI

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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Descrição geral

A yellow coloration of the bottle has no influence whatsoever on the product quality.
Nitric acid (HNO3) is a highly corrosive strong mineral acid. 10%(v/v) nitric acid solution is useful for cleaning laboratory glasswares. Reaction of HNO3 with various original and synthetic mineral dust/mineral oxide surfaces was studied in a low-pressure Knudsen reactor operating at 298K.

Aplicação

Nitric acid (HNO3) may be used for the removal of transition metal catalyst from the single-walled carbon nanotubes (SWNTs) during the purification of SWNTs. It may be used in the trace determinations of Pb and Cd in natural waters by flame atomic absorption spectrometry.

Outras notas

The article number 30709-4X2.5L will be discontinued. Please order the single bottle 30709-2.5L which is physically identical with the same exact specifications.

Pictogramas

CorrosionSkull and crossbones
GHS05,GHS06

Palavra indicadora

Danger

Frases de perigo

H290 - H314 - H331

Classificações de perigo

Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Perigos de suplementos

EUH071

Código de classe de armazenamento

5.1B - Oxidizing hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Ácido nítrico a 65% for analysis (max. 0.005ppm Hg) EMSURE&#174; Reag. Ph Eur,ISO

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Ácido nítrico 0.1&#160;M HNO3 in water (0.1N), eluent concentrate for IC

Supelco

16355

Ácido nítrico

Nitric acid purification of single-walled carbon nanotubes.
Hu H, et al.
The Journal of Physical Chemistry B, 107(5), 13838-13842 (2003)
Heterogeneous reactivity of gaseous nitric acid on Al2O3, CaCO3, and atmospheric dust samples: A Knudsen cell study.
Hanisch F and Crowley JN.
The Journal of Physical Chemistry A, 105(13), 3096-3106 (2001)
Eduardo Carasek et al.
Talanta, 56(1), 185-191 (2008-10-31)
The need for highly reliable methods for the determination of trace elements has been recognised in analytical chemistry and environmental science. A method for the trace analysis of Pb and Cd in natural waters is described. In a preconcentration step
Alyson M Baergen et al.
Environmental science & technology, 47(2), 815-820 (2012-12-15)
The fate of NO(x) (=NO + NO(2)) is important to understand because NO(x) is a significant player in air quality determination through its role in O(3) formation. Here we show that renoxification of the urban atmosphere may occur through the
Peng Lei et al.
Molecular neurodegeneration, 9, 29-29 (2014-08-16)
We recently reported that Parkinsonian and dementia phenotypes emerge between 7-12 months of age in tau-/- mice on a Bl6/129sv mixed background. These observations were partially replicated by another group using pure Bl6 background tau-/- mice, but notably they did
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