Comparison characteristics of AWM DEF BLUE and AdBlue |
| Indicator name |
Test methods |
Permitted levels |
Test results on AdBlue |
Test results on DEF BLUE |
| Density at 20°C, kg/cubic meter |
GOST 18995.1-73 |
1087-1093 |
1087 |
1087 |
| Weight content of carbamide, %, within |
ISO 22241-2 |
31.8-33.2 |
33.11 |
32.93 |
| Alkali content, in equivalent to ammonia (NH3), %, up to |
ISO 22241-2 |
0.2 |
0.2 |
0.003 |
| Weight content of carbamyl urea, %, up to |
ISO 22241-2 |
0.3 |
0.2 |
0.1 |
| Weight content of aldehyde, mg/kg, up to |
ISO 22241-2 |
5 |
< 5 |
< 5 |
| Refraction index at 20ºC |
ISO 22241-2 |
1.3814 – 1.3843 |
1.3840 |
1.3830 |
| Weight content of water-insoluble substances, mg/kg, up to |
ISO 22241-2 |
20 |
< 10.0 |
< 10.0 |
| Weight content of aluminum, mg/kg, up to |
ISO 22241-2 |
0.5 |
< 0.0017 |
< 0.0017 |
| Weight content of calcium, mg/kg, up to |
ISO 22241-2 |
0.5 |
0.123 |
0.0387 |
| Weight content of ferrum, mg/kg, up to |
ISO 22241-2 |
0.5 |
0.0084 |
0.0061 |
| Weight content of copper, mg/kg, up to |
ISO 22241-2 |
0.2 |
0.0138 |
< 0.0011 |
| Weight content of zinc, mg/kg, up to |
ISO 22241-2 |
0.2 |
0.0004 |
0.0004 |
| Weight content of chromium, mg/kg, up to |
ISO 22241-2 |
0.2 |
0.0328 |
0.0084 |
| Weight content of nickel, mg/kg, up to |
ISO 22241-2 |
0.2 |
0.0317 |
< 0.0005 |
| Weight content of magnesium, mg/kg, up to |
ISO 22241-2 |
0.5 |
0.0025 |
0.0021 |
| Weight content of sodium, mg/kg, up to |
ISO 22241-2 |
0.5 |
0.0009 |
0.0009 |
| Weight content of potassium, mg/kg, up to |
ISO 22241-2 |
0.5 |
0.028 |
0.0028 |
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