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About Us Location：Home >> Products > Perchloric acid     

Perchloric acid
Perchloric acid

Item : 7601-90-3

Details :

Identification of 7601-90-3
Name:
Perchloric acid (Related Reference)
EINECS:
231-512-4
Molecular Formula:
HClO4
CAS Registry Number:
7601-90-3
Synonyms:
Perchloricacid (HClO4)
InChI:
InChI=1/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)

Chemical Properties

Appearance:
clear, colorless Liquid
Molecular Weight:
100.46
Density:
1.764
Boiling Point:
39℃
Melting Point:
-112℃
Flash Point:
113 C (closed cup)
Storage Temperature:
Flammables area
Refractive index:
1.419
Solubility:
Soluble in water
Stability:
Stable. Avoid heat. May form explosive peroxides. Incompatible with a wide variety of substances, including organic materials, alcohols, amines, strong acids, strong bases, acid anhydrides, finely powdered metals, strong reducing agents. Contact with wood, paper and other celullose products may lead to explosion, as may contact with a vari
Chemical Properties
Appearance:
clear, colorless Liquid
Molecular Weight:
100.46
Density:
1.764
Boiling Point:
39℃
Melting Point:
-112℃
Flash Point:
113 C (closed cup)
Storage Temperature:
Flammables area
Refractive index:
1.419
Solubility:
Soluble in water
Stability:
Stable. Avoid heat. May form explosive peroxides. Incompatible with a wide variety of substances, including organic materials, alcohols, amines, strong acids, strong bases, acid anhydrides, finely powdered metals, strong reducing agents. Contact with wood, paper and other celullose products may lead to explosion, as may contact with a vari
Safety Data of 7601-90-3
Risk Codes:
R5;R8;R35
Safety Statements:
S23;S26;S36;S45

Effects of Perchloric Acid on High Temperature Liquid Chromatography

Article in Journal of Liquid Chromatography & Related Technologies 31(15):2305-2317 · August 2008 with 18 Reads
DOI: 10.1080/10826070802281695

Abstract
The effects of the chaotropic agent perchloric acid on high temperature liquid chromatography (HTLC) with water as mobile phase have been investigated over a temperature range from 130°C to 200°C. Aniline, N-methylaniline, 3-ethylaniline and N,N-dimethylaniline were used as analytes. Similar to the effects of increasing the organic content of the mobile phase in regular reverse phase HPLC, the increase of column temperature in HTLC results in the decrease of capacity factors for all the aniline test compounds. By adding low concentrations of perchloric acid in the mobile phase, the capacity factors of the anilines also decrease which is equivalent to the increase of column temperature. Comparisons of HClO4 gradient and temperature program for the separation of the four anilines in HTLC are presented.
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