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Merck
CN

84380-M

硝酸

puriss. p.a., ≥65% (T)

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经验公式(希尔记法):
HNO3
化学文摘社编号:
分子量:
63.01
UNSPSC Code:
12352106
eCl@ss:
38060304
PubChem Substance ID:
NACRES:
NA.21
MDL number:
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产品名称

硝酸, puriss. p.a., ≥65% (T)

SMILES string

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

InChI

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

InChI key

GRYLNZFGIOXLOG-UHFFFAOYSA-N

vapor pressure

8 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥65% (T)

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-): ≤1 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: ≤0.01 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
Tl: ≤0.05 mg/kg
Zn: ≤0.05 mg/kg

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Application

Nitric acid (HNO3) may be used in the following studies:
  • Oxidation of multiwalled carbon nanotubes (MWCNTs).
  • Removal of transition metal catalyst from the single-walled carbon nanotubes (SWNTs) during the purification of SWNTs.
  • Trace determinations of Pb and Cd in aqueous medium by flame atomic absorption spectrometry.
  • Preparation of lead dioxide (PbO2).

General description

Nitric acid (HNO3) is a highly corrosive strong mineral acid. In HNO3, nitrogen element exhibits +5 oxidation state. 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.

signalword

Danger

Hazard Classifications

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

supp_hazards

存储类别

5.1B - Oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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分析证书(COA)

Lot/Batch Number

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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

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