| 1. | Spices and condiments - determination of water - insoluble ash
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| 2. | Fruit and vegetable products - determination of water - insoluble solids
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| 3. | Determination of water - soluble ash and water - insoluble ash content
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| 4. | Tea . determination of water - soluble ash and water - insoluble ash
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| 5. | Tea - determination of water - soluble ash and water - insoluble ash content
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| 6. | Determination of water - insoluble ash
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| 7. | Leather - determination of sulphated total ash and sulphated water - insoluble ash
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| 8. | Leather . determination of sulphated total ash and sulphated water - insoluble ash
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| 9. | Tea ; determination of water - soluble ash and water - insoluble ash ; identical with iso 1576 : 1988
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| 10. | Methods of test for tea - determination of water - soluble ash and water - insoluble ash
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