full2010.pdf - page 1435

1397
˜µ¦µŠš¸É 1 —Š„µ¦¼Á¸¥¤ª¨ °Š˜´ ª°¥nµŠ—·œš´ÊŠµ¤œ· — š¸É¤¸‡ªµ¤´¤¡´ œ›r„´°»–®£¼¤·
˜´ª°¥n µŠ—·œ °»–®£¼¤·š¸ÉÁ„·—„µ¦¼ Á¸¥¤ª¨ (oC) ž¦·¤µ–¤ª¨š¸É¨—¨Š(%)
‹´Š®ª´—¦³œ°Š
‹´Š®ª´—œ¦µ›·ªµ
‹´Š®ª´—œ‡¦«¦¸›¦¦¤¦µ
467.74
466.27
39.33
418.95
751.29
12.55
11.76
3.47
8.99
1.85
宦´ „µ¦ª·Á‡¦µ³®r—oª¥Áš‡œ·‡ DTA ŗoŸ¨„µ¦š—¨°Š—´Š£µ¡š¸É 2
200 400 600 800 1000 1200
• • • • •• • •• •••• • ••• •• ••• •• •• • •• ••••
Temperature ( oC)
Ranong
Narathiwas
Nakhon Si tammarat
£µ¡š¸É 2 —Š„¦µ¢ °Š‡nµ DTA °Š—·œ µª¦³œ°Š —·œ µªœ¦µ›·ªµÂ¨³—·œ—εœ‡¦«¦¸›¦¦¤¦µ
£µ¡š¸É 2 —Š‡nµ DTA °Š—·œ µª¦³œ°Š —·œ µªœ¦µ›·ªµÂ¨³—·œ—εœ‡¦«¦¸›¦¦¤¦µ ž¦µ„’ªnµ —·œ µª
‹´Š®ª´—¦³œ°ŠÁ¤ºÉ °Å—o¦´‡ªµ¤¦o°œ ¤¸„µ¦¼Á¸¥œÊÎ µÁ„·— ¹Êœš¸É°»–®£¼¤· 150.00 oC Á¤ºÉ°Á¡·É¤‡ªµ¤¦o °œ‹œ™¹Š°»–®£¼¤·
475.13 – 514.53 oC ž¦µ„’ªnµ¥°—(peak) ¤¸¨´„¬–³¨—¨Š œ´ÉœÂ—Š™¹Š„µ¦Á„·—ž’·„·¦·¥µ—¼ —‡ªµ¤¦o°œ (Endothermic)
¤¸¡¨´ŠŠµœ‹µ„ž’· „·¦·¥µ ( 'H) Ášnµ„´ 1.66 kJ/g ¨³š¸É°»–®£¼¤· 991.14 – 1001.12 oC ¥°—¤¸¨´„¬–³¼Š —Š™¹Š„µ¦
Á„·—ž’·„·¦·¥µ‡µ¥‡ªµ¤¦o°œ (Exothermic) ¤¸ 'H = 0.29 kJ/g 宦´ —·œ µªœ¦µ›·ªµ Á¤ºÉ°Å—o ¦´‡ªµ¤¦o°œ Á¦·É¤¤¸„µ¦
¼Á¸¥œÊÎ µš¸É°»–®£¼¤· 110.00 oC Á¤ºÉ°Á¡·É ¤‡ªµ¤¦o°œ‹œ™¹Š°»–®£¼¤· 467.77 – 504.97 oC ¥°—¤¸¨´„¬–³¨—¨Š —Š™¹Š