NA 057
DIN Standards Committee Food and Agricultural Products
DIN ISO 1576 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 10805 | 1985-10 | Analysis of tea; determination of acid insoluble ash More |
| ISO 1572 | 1980-08 | Tea; Preparation of ground sample of known dry matter content More |
| ISO 1575 | 1987-10 | Tea; Determination of total ash More |
| ISO 1577 | 1987-10 | Tea; Determination of acid-insoluble ash More |
| ISO 1578 | 1975-12 | Tea; Determination of alkalinity of water-soluble ash More |
