Lipoic acid sample analysis report - Database & Sql Blog Articles

Brand AVX TPSE226M035R0125 Low impedance tantalum capacitor AVX 22

Electronic scale crystal oscillator 3.2*2.5mm 3225 16M (16.000MHZ) 12PF 10PPM 20PPM 30PPM

Huaqiang Square crystal original spot stock

kind

Product

Minute

Analysis

Newspaper

Report

batch number:

ZJ0716LA13

sample name

Lipoic acid

CAS No.

62-46-4

Molecular formula

C ₈ H ₁₄ O ₂ S ₂

Molecular weight

206.32

structure

Storage conditions

4

°C

, sealed, protected from light

project

standard

result

Exterior

Light yellow powder

meets the

Solubility

meets the

HPLC

98%

98%

material

:Hyper 0DS2 C18

Flow rate

:1.0 ml/min

Mobile phase

:

Acetonitrile:

0.005mol/L

Potassium phosphate buffer

=50:50

pressure

:10.0 MPa

Column length

:250 mm

Detector

: DAD212 nm

Column diameter

:4.6 mm

Injection volume

: 20 ul

#

Component name

keep time

(min)

Peak height

(mv)

Peak area

(mv.sec)

Area percentage

(%)

1 Unknown 2.78333 8.19 73.64 0.8380

2

Lipoic acid

7.58000 1097.67 8618.48 98.0866

3 Unknown 17.84000 4.03 37.13 0.4226

4 Unknown 19.04833 4.33 38.16 0.4343

5 Unknown 23.82000 2.59 19.19 0.2184