Nitric acid

Name: Nitric acid
Brand: SIGALD

puriss. p.a., reag. ISO, reag. Ph. Eur., ≥65%

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About This Item

Empirical Formula (Hill Notation):

HNO₃

CAS Number:

7697-37-2

Molecular Weight:

63.01

MDL number:

MFCD00011349

UNSPSC Code:

12352106

PubChem Substance ID:

329753565

NACRES:

NA.21

Key Documents

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Agency

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

Quality Level

200

vapor pressure

8 mmHg ( 20 °C)

description

for determinations with dithizone

grade

puriss. p.a.

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 (PO₄^3-): ≤0.5 mg/kg
sulfate (SO₄^2-): ≤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

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.

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