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Anhydride ea phthalic


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Boemo ba sehlahisoa

Phthalic anhydride, motsoako oa manyolo o nang le foromo ea lik'hemik'hale C8H4O3, ke anhydride ea cyclic acid e entsoeng ka ho felloa ke metsi 'meleng oa limolek'hule tsa phthalic acid. Ke phofshoana e tšoeu ea crystalline, e sa qhibiliheng metsing a batang, e qhibilihang hanyenyane metsing a chesang, ether, e qhibilihang ka har'a ethanol, pyridine, benzene, carbon disulfide, joalo-joalo, 'me ke ntho ea bohlokoa ea lik'hemik'hale tse tala. Ke karolo ea bohlokoa ea ho lokisa li-plasticizers tsa phthalate, liaparo, saccharin, lidae le metsoako ea manyolo.

Index ea Theknoloji

Tlhaloso

Liphetho tsa liteko

Assay

≥99.5%

99.8%

Maleic Anhydride

≤0.05%

0

Ho qhibiliha Chroma

≤20

5

Ho tsitsisa ha mocheso Chroma

≤50

15

Asiti ea sulfuric Chroma

≤40

5

Ponahalo

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Sebaka sa kopo:

 Phthalic anhydride ke ntho ea bohlokoa ea lik'hemik'hale tse tala 'me ke karolo ea bohlokoa ea ho lokisa li-plasticizers tsa phthalate, liaparo, saccharin, dae le metsoako ea tlhaho.

 


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