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30709

Sigma-Aldrich

Nitric acid

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

Empirical Formula (Hill Notation):
HNO3
CAS Number:
Molecular Weight:
63.01
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

for determinations with dithizone
puriss. p.a.

Quality Level

Agency

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

vapor pressure

8 mmHg ( 20 °C)

Assay

≥65%

form

liquid

ign. residue

≤0.0005% (as SO4)

pH

<1.0

bp

120.5 °C (lit.)

density

1.37-1.41 g/mL at 20 °C (lit.)

anion traces

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

cation traces

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

SMILES string

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

suitability

passes test for suitability for det. with dithizone

InChI

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

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

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1 of 4

This Item
8437884380309079
Nitric acid puriss. p.a., reag. ISO, reag. Ph. Eur., for determinations with dithizone, &#8805;65%

Sigma-Aldrich

30709

Nitric acid

Nitric acid puriss. p.a., 65.0-67.0%

Sigma-Aldrich

84378

Nitric acid

Nitric acid puriss. p.a., &#8805;65% (T)

Sigma-Aldrich

84380

Nitric acid

Nitric acid red, fuming, HNO3 &gt;90&#160;%

Sigma-Aldrich

309079

Nitric acid

agency

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

agency

-

agency

-

agency

-

vapor pressure

8 mmHg ( 20 °C)

vapor pressure

8 mmHg ( 20 °C)

vapor pressure

8 mmHg ( 20 °C)

vapor pressure

8 mmHg ( 20 °C)

assay

≥65%

assay

65.0-67.0%

assay

≥65% (T)

assay

5.0-10.0% (% N2O3, titration)

form

liquid

form

liquid

form

liquid

form

liquid

pH

<1.0

pH

<1.0

pH

<1.0

pH

<1 (20 °C)

General description

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.

Application

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.

Other Notes

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.

Pictograms

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Supplementary Hazards

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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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
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)
Nitric acid purification of single-walled carbon nanotubes.
Hu H, et al.
The Journal of Physical Chemistry B, 107(5), 13838-13842 (2003)
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
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Zinc transporter-3 (ZnT3) protein is responsible for loading zinc into presynaptic vesicles and consequently controls the availability of zinc at the glutamatergic synapse. ZnT3 has been shown to decline with age and in Alzheimer's disease (AD) and is crucially involved

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