NA 012
DIN Standards Committee Chemical Apparatus Engineering
DIN EN 13121-1 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 2211 | 1973-10 | Liquid chemical products; Measurement of colour in Hazen units (platinum-cobalt scale) More |
| ISO 3374 | 2000-06 | Reinforcement products - Mats and fabrics - Determination of mass per unit area More |
| ISO 5661 | 1983-10 | Petroleum products; Hydrocarbon liquids; Determination of refractive index More |
