| |
REFINED GLYCERINE
|
DESCRIPTION
|
CP
GRADE
|
IW
GRADE
|
|
Glycerol,
percent by mass, Min.
|
98.0
|
98.0
|
|
Relative
density at 30/30 deg.C.Min.
|
1.2552
|
1.2552
|
|
Colour
reading on lovibond scale expressed as Y+R, not deeper than
(in 51/4" Cell)
|
1.0
|
3.5
|
|
Ash,
percent by mass, Max.
|
0.01
|
0.01
|
|
Arsenic
(as AS), parts per million Max.
|
2.0
|
---
|
|
Copper
|
To
pass the test
|
---
|
|
Iron
(as Fe), parts per million, Max.
|
0.5
|
---
|
|
Lead
(as Pb), parts per million, Max.
|
1.0
|
---
|
|
Chlorides
(as CI), parts per million, Max.
|
10.0
|
60.0
|
|
Sulphates
(as SO4), parts per million, Max.
|
10.0
|
---
|
|
Alkalinity
(as Na2O), percent by mass, Max.
|
NIL
|
0.01
|
|
Total
Alkali (free and combined) as Na2O, percent by
mass, Max.
|
NIL
|
0.01
|
|
Fatty
Acids and Esters as Na2O, percent by mass, Max.
|
0.03
|
---
|
|
Acraldehyde
and glucose
|
To
pass the test
|
---
|
|
Reducing
substances
|
To
pass the test
|
---
|
|
|
|
