iodin
1.The seed oil is transparent,orange,no peculiar smell and acid value was 46.93mg KOH/g oil,iodin value was 50.17g/100g oil.
2.Composition of fatty acid and four kinds of quality in dex-iodin value,saponification value,acid value and peroxide value of walnut oil extracted by Supercritical CO 2 and pressing were studied.
3.In alkalescent medium , the sulfid (S2-)among water or liquid wast is dexidated by iodin ang react with CN- to contribute to CNSthen the resuttant react with Fe3+ produces the red Fe (CNS)3 . If this production is put into the circumstance of 460nm wave via thespectrophotometry. The content of sulfid in water or liquid wast can determined by the data of absorptien value.
