| 11. | Non - ionic surface active agents . determination of sulphated ash - gravimetric method
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| 12. | Glycerines for industrial use . determination of sulphated ash contents . gravimetric method
|
| 13. | Industrial glycerines for import and export . determination of sulphated ash - gravimetric method
|
| 14. | Starches and derived products ; determination of sulphated ash ; identical with iso 5809 , edition 1982
|
| 15. | Methods of sampling and test for glycerol - determination of sulphated ash : gravimetric method
|
