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oxidised in air at tempera- tures 250-5500C and their weight losses recor- ded The oxidised cokes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220607136079b46995dcf210f50c4424html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=npl-annual-pitch-coke-low-ash-metallurgical-coke-and-petroleum-coke-were-oxidisedhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: NPL Annual Report · Pitch coke low ash metallurgical coke and petroleum coke were oxidised in air at tempera- tures 250-5500C and their weight losses recor- ded The oxidised cokes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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ded The oxidised cokes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220607136079b46995dcf210f50c4424html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=npl-annual-pitch-coke-low-ash-metallurgical-coke-and-petroleum-coke-were-oxidisedhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: NPL Annual Report · Pitch coke low ash metallurgical coke and petroleum coke were oxidised in air at tempera- tures 250-5500C and their weight losses recor- ded The oxidised cokes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentinreader033viewer20220607136079b46995dcf210f50c4424html5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton 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