| OELCHECK test equipment: | Millipore filter system, scale, desiccator |
| Sample quantity: | 300 ml |
| Unit: | mg/kg |
| Test result: | Determination of the content of insoluble components in AdBlue |
| Result range: | >1 mg/kg |
| Analysis for: | AdBlue |
| Brief description: | The sample is filtered through a previously weighed filter and weighed again after washing and drying the filter. The content of insoluble components is calculated as the difference of the mass of the filter and given relative to the sample mass in mg/kg. |
| Statement: | The determination of the insoluble components is an essential quality criterion for the release of AdBlue according to ISO 22241-1. |
| Underlying test standard: | ISO 22241-2 Anhang G |
