CEN/TC 289
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 25110 | prEN ISO 17226 | Leather - Chemical tests - Determination of formaldehyde content in leather (ISO/WD 17226:2005) | Izstrādē |
| 33459 | prEN ISO 17227 rev | Leather - Physical and mechanical tests - Determination of dry heat resistance of leather | Izstrādē |
| 80311 | prEN ISO 17228 | Leather - Tests for colour fastness - Change in colour with accelerated ageing (ISO/DIS 17228:2025) | Aptauja slēgta |
| 33464 | prEN ISO 17228 rev | Leather - Tests for colour fastness - Change in colour with accelerated ageing | Izstrādē |
| 83787 | prEN ISO 17234-2 rev | Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene | Izstrādē |
| 36924 | prEN ISO 17489 | Leather - Chemical tests - Determination of tan content in tanning agents (ISO/DIS 17489:2012) | Izstrādē |
| 82802 | prEN ISO 17502 rev | Leather — Determination of surface reflectance | Izstrādē |
| 32712 | prEN ISO 18451-2 | Leather - Chemical tests - Determination of chlorinated hydrocarbons in leather. | Izstrādē |
| 83786 | prEN ISO 20136 rev | Leather — Determination of degradability by micro-organisms | Izstrādē |
| 60955 | prEN ISO 20699 | Leather - Chemical tests - Pre-aging for chemical determination of hexavalent chromium | Izstrādē |
Displaying 491-500 of 513 results.