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Specifications of Reagent Grade

Items Unit Specification Test Method
Assay
%
99.9 min.
Calculation
Color
APHA-No.
Below 10
Visual color comparison check
Specific gravity (20°C/20°C)
-
0.782~0.785
Hydrometer
Boiling range
°C
80~82
Distillation test method (JIS K 6759)
Water content
ppm
Below 500
Water (H2O) by Karl Fischer (volumetric analysis)
Acetone
ppm
Below 5
Gas chromatography (FID)
Acrylonitrile
ppm
Below 3
Gas chromatography (FID)
Allyl alcohol
ppm
Below 30
Gas chromatography (FID)
Propionitrile
ppm
Below 150
Gas chromatography (FID)
Hydrocyanic acid
ppm
Below 10
Silver nitrate titration (Liebig & Deniges method)
Copper
ppm
Below 0.1
Colorimetric determination
Iron
ppm
Below 0.1
Colorimetric determination
Acidity (as acetic acid)
ppm
Below 50
Neutralization titration (non-aqueous)
Free ammonia
ppm
Below 6
Neutralization titration
UV transmittance (200 nm)
%
Above 50
Ultraviolet-visible spectrophotometer

Notes:

1) As the values show in the specification clumn may be revised hereinafter, please confirm the specifications to Asahi Kasei before using this product .

2) Asahi Kasei guarantees only that this product meets the stated specifications or revised specifications, and assumes no responsibility or liability for problems or damages arising out of or in connection with the use of the on- specification product.

Please contact us for more information.

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