| ≥1 piece |
Ester Gum
ITEM |
STANDARD |
RESULTS |
|
Appearance |
Hard, yellow to pale amber-colored resin |
Conforms |
|
Identification |
Solubility: Insoluble in water, soluble in acetone |
Conforms |
|
Infrared absorption spectrum: Characteristic of the compound |
||
|
Ring and ball softening range (°C) |
82- 90 |
87 |
|
Acid value (mg KOH/g) |
3- 9 |
6.1 |
|
Specific gravity (25°C) |
1.080- 1.090 |
1.081 |
|
Ash (%) |
≤ 0.1 |
< 0.1 |
|
Lead (Pb) |
≤2 mg/kg |
<2 mg/kg |
|
Arsenic (As) |
≤3 mg/kg |
<3 mg/kg |
|
mercury (Hg) |
≤1 mg/kg |
<1 mg/kg |
|
Cadmium (Cd) |
≤1 mg/kg |
<1 mg/kg |
|
Total heavy metals(as Pb) |
≤10 mg/kg |
<10 mg/kg |
|
Total plate count |
≤ 5000 cfu/g |
Conforms |
|
yeast & mould |
≤ 500 cfu/g |
Conforms |
|
Salmonella/ 10g |
Negative |
Negative |
|
E. Coli/ 5g |
Negative |
Negative |