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30709

Sigma-Aldrich

Nitric acid

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

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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
84378438073225711
vibrant-m

30709

Nitric acid

vibrant-m

84378

Nitric acid

vibrant-m

438073

Nitric acid

vibrant-m

225711

Nitric acid

assay

≥65%

assay

65.0-67.0%

assay

68.0-70.0% (ACS specification), 70%

assay

≥99.999% trace metals basis, 70%

grade

for determinations with dithizone, puriss. p.a.

grade

-

grade

ACS reagent

grade

-

agency

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

agency

-

agency

-

agency

-

cation traces

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

cation traces

Ag: ≤0.01 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.01 mg/kg, Ba: ≤0.01 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.01 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.2 mg/kg, Hg: ≤0.005 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, Tl: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg

cation traces

As: ≤0.01 ppm, Fe: ≤0.2 ppm, heavy metals (as Pb): ≤0.2 ppm

cation traces

-

density

1.37-1.41 g/mL at 20 °C (lit.)

density

1.37-1.41 g/mL at 20 °C (lit.)

density

1.413 g/mL at 20 °C (lit.)

density

1.413 g/mL at 20 °C (lit.)

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

signalword

Danger

Hazard Classifications

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

supp_hazards

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Hanisch F and Crowley JN.
The Journal of Physical Chemistry A, 105(13), 3096-3106 (2001)
Eduardo Carasek et al.
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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
Nitric acid purification of single-walled carbon nanotubes.
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