Главная \ Ацетонитрил для ВЭЖХ (градиентный) #9012

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packed 2.5L

 

Product No 9012 Acetonitrile 'BAKER HPLC ANALYZED' HPLC Far UV / Gradient Grade

Test

Specification

Actual value

Assay (by GC)

min.

99.9 %

100.0 %

Residue after Evaporation

max.

3 ppm

< 3 ppm

Titrable Acid (meq/g)

max.

0.0008

< 0.0008

Titrable Base (meq/g)

max.

0.0006

< 0.0006

Water (H20)

max.

0.02 %

0.008 %

Fluorescence Trace Impurities (as quinine base), ppb:

 

 

 

at Emission Maximum for Impurities

max.

1.0

< 1.0

Measured at 450 nm

max.

0.3

< 0.3

Gradient Elution Test (PAH Suitability test) Ultraviolet

 

 

 

Absorbance (a.u.)

 

 

 

at 254 nm

max.

0.001

< 0.001

Ultraviolet Absorbance (1.00-cm path vs water):

 

 

 

at 200 nm

max.

0.10

0.02

at 210 nm

max.

0.05

0.01

at 220 nm

max.

0.03

0.01

at 254 nm

max.

0.01

< 0.01

at 280 nm

max.

0.01

< 0.01

at 350 nm

max.

0.01

< 0.01

at 400 nm

max.

0.01

< 0.01

UV Cut-off, nm

max.

190

190


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