ÐË·¢ptÓÎÏ·

ÊÖ³Öʽ¹âÆ×ÒÇÊÖ³ÖʽºÏ½ðÆÊÎöÒǺϽðÆÊÎöÒÇ
¹ÉƱ´úÂ룺300165 ÆóÒµÓÊÏä Ͷ×ÊÕß¹ØÏµ
ÐË·¢ÓÎÏ·|Ê×Ò³

ʳÎïÇå¾²

ÄúÄ¿½ñËùÔÚÒ³£ºÊ×Ò³ > ½â¾ö¼Æ»® > ʳÎïÇå¾²

GC-MS 6800²âÊÔʳÎïÖÐɽÀæËáºÍ±½¼×Ëá

Ðû²¼ÈÕÆÚ£º2019/3/15 9:38:58  µã»÷´ÎÊý£º44134
      ±½¼×ËáÀࡢɽÀæËáÀà¿ÉÒÔ×÷ʳÎï·À¸¯¼Á £¬¾ßÓнϸߵĿ¹¾úÐÔÄÜ £¬ÒÖÖÆÃ¹¾úµÄÉú³¤×ÌÉú¡£µ«±½¼×Ëá¾ßÓÐÒ»¶¨µÄ¶¾ÐÔ £¬ºã¾ÃʹÓûáÒýÆðÈËÂýÐÔ±½Öж¾ £¬µ¼ÖÂÍ·Í´¡¢Í·ÔΡ¢Ó°ÏóÁ¦¼õÍË¡¢Ê§Ãß¡¢·¦Á¦¡¢Éñ¾­ÐéÈõ¡¢°×ϸ°ûÊýÄ¿ïÔÌ­µÈÖ¢×´ £¬¶Ô¸Î¡¢ÉöµÈÆ÷¹Ù±¬·¢²»Á¼Ó°Ïì £¬ÑÏÖØ¿ÉÄܻᵼÖÂÔÙÉúÕϰ­ÐÔѪÐé¡£ºã¾ÃʳÓÃɽÀæËẬÁ¿³¬±êµÄʳÎï £¬¿ÉÄÜ»áÒÖÖÆ¹Ç÷ÀÉú³¤ £¬²¢¶Ô¸Î¡¢ÉöµÈÆ÷¹Ù±¬·¢²»Á¼Ó°Ïì¡£ÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇ£¨GCMS£©±¾×ŶÔδ֪»¯ºÏÎïɸѡµÄÖØ´óÓÅÊÆ £¬ÆÕ±éÓ¦ÓÃÓÚÖÊÁÏÖÐÓж¾Óк¦ÎïÖʵ͍ÐÔ¶¨Á¿ÆÊÎö¡£Ê¹ÓÃÆøÏàÉ«Æ×ÊèÉ¢ £¬½ÓÄɵç×Óºä»÷µçÀëÔ´£¨EI£©È«É¨ÃèµÄģʽ £¬¿ÉÒÔÍê³É»¯ºÏÎïµÄɸ²é £¬½ÓÄÉGCMS-SIMµÄģʽ¿ÉÒÔ×ö׼ȷµÄ¶¨Á¿ÆÊÎö¡£

1.ÒÇÆ÷¼ò½é
GC-MS 6800ÊÇÐË·¢ptÓÎÏ·ÒÇÆ÷È«ÐÄ´òÔìµÄÒ»¿î¸ßÐÔ¼Û±ÈÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇ £¬¾ßÓÐÍêÈ«µÄ×ÔÖ÷֪ʶ²úȨ £¬ÓµÓжàÏîרÀûÊÖÒÕ £¬¿ÉÆÕ±éÓ¦ÓÃÓڸ߷Ö×ÓÖÊÁÏ¡¢ÇéÐα£»¤¡¢µç×ÓµçÆ÷¡¢Ò½Ò©¡¢Ê¯ÓÍ»¯¹¤¡¢Ê³ÎïÇå¾²¡¢·Ä֯Ƥ¸ïµÈ¶àÐÐÒµÖÐÓк¦ÎïÖʵļì²â¡£
ÐË·¢ÓÎÏ·|Ê×Ò³
ͼ1.GC-MS 6800ÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇÍâ¹Ûͼ

2.ʵÑ鲿·Ö
2.1 ²âÊÔÔ­Àí
ÑùÆ·¾­¼ôËéºó׼ȷ³ÆÈ¡ £¬Ê¹ÓÃÓлúÈܼÁ³¬ÉùÝÍÈ¡ £¬ÝÍȡҺ¾­ÓÉÂ˺ó £¬ÓÃGCMSÆÊÎö¡£ÒÀ¾ÝÄ¿µÄ»¯ºÏÎïµÄ±£´æÊ±¼äºÍ±ê×¼ÖÊÆ×ͼ»òÌØÕ÷Àë×Ó¶¨ÐÔ £¬ÓÃÍâ±ê·¨¶¨Á¿¡£
2.2Ö÷ÒªÒÇÆ÷×°±¸¡¢ºÄ²ÄºÍÊÔ¼Á
GC-MS 6800 ÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇ £¬ÅäÓеç×Óºä»÷Ô´£¨ÐË·¢ptÓÎÏ·£©
ɽÀæËá±ê׼Ʒ£º´¿¶È99%£¨¹ú¼Ò±ê×¼ÎïÖÊÍø£©£»
±½¼×Ëá±ê׼Ʒ£º´¿¶È99%£¨¹ú¼Ò±ê×¼ÎïÖÊÍø£©£»
Õý   ¼º   Í飺HPLC¼¶£¨Ä¬¿Ë¼¯ÍÅ£©£»
ÒÒ  Ëá ÒÒ õ¥£ºHPLC¼¶£¨Ä¬¿Ë¼¯ÍÅ£©¡£
2.2 ÒÇÆ÷²âÊÔÌõ¼þ
É«Æ×Öù£º HP-INNOWAX £¬30m¡Á0.25mm¡Á0.25¦Ìm£»
ÖùÏä³ÌÐòÉýÎÂÌõ¼þ£º³õʼζÈ100¡æ £¬15¡æ/minÉýÖÁ250¡æ¼á³Ö3min£»
½øÑù·½·¨£º²»·ÖÁ÷½øÑù £¬²»·ÖÁ÷ʱ¼ä1min£»
½øÑùÁ¿£º1.0¦ÌL£»
½øÑù¿Úζȣº250¡æ£»
ÆøÖʽӿÚζȣº250¡æ£»
Àë×ÓԴζȣº250¡æ£»
ÔØÆø£ºº¤Æø £¬´¿¶È¡Ý99.999% £¬Á÷ËÙ1.0mL/min£»
µçÀë·½·¨£ºEI£»
µçÀëÄÜÁ¿£º70eV£»
ÈܼÁÇгýʱ¼ä£º7min
²â¶¨·½·¨£ºTIC£¨FULL SCAN£©¶¨ÐÔ£¨É¨Ãè¹æÄ££º50-150amu£© £¬SIMģʽ¶¨Á¿¡£

3.²âÊÔЧ¹û
3.1 2ÖÖÄ¿µÄÎï×é·Ö¶¨ÐÔЧ¹û
 ÐË·¢ÓÎÏ·|Ê×Ò³
ͼ2.Ä¿µÄÎï×ÜÀë×ÓÁ÷É«Æ×ͼ
1.ɽÀæËᣨSorbic acid£© 2. ±½¼×ËᣨBenzoic Acid£©
ÐË·¢ÓÎÏ·|Ê×Ò³ 
ͼ3.ɽÀæËáÖÊÆ×ͼ
ÐË·¢ÓÎÏ·|Ê×Ò³ 
ͼ4.±½¼×ËáÖÊÆ×ͼ

±í1.¸÷Ä¿µÄÎï»ù±¾²âÊÔÐÅÏ¢

»¯ºÏÎï

Ó¢ÎÄÃû³Æ

CASºÅ

ÌØÕ÷Àë×Ó

ɽÀæËá

Sorbic acid

110-44-1

112* 67 97

±½¼×Ëá

Benzoic Acid

65-85-0

122* 77 105


3.2 ÑùÆ·²âÊÔ
Ä¿µÄÎïÔÚ5ppm-100ppmÏßÐÔÓÅÒ졣ȡ¿ÕȱʳÎïÑùÆ·¼Ó±ê £¬ÑùÆ·¾­ÓÉÕý¼ºÍéºÍÒÒËáÒÒõ¥£¨1+1£©³¬ÉùÝÍÈ¡¡£20ppm¼Ó±êˮƽÏÂÆ×ͼÈçÏ £¬»ñµÃÁ˽ÏÁ¿Öª×ãµÄЧ¹û¡£
ÐË·¢ÓÎÏ·|Ê×Ò³ 
ͼ5.20ppm¼Ó±êÏÂSIMÉ«Æ×ͼ
1.ɽÀæËᣨSorbic acid£© 2. ±½¼×ËᣨBenzoic Acid£©

4.×ܽá
±¾ÊµÑé½ÓÄÉGC-MS 6800 £¬ÔÚSIMɨÃèģʽ϶ÔɽÀæËáºÍ±½¼×ËữºÏÎï¾ÙÐвâÊÔºÍÆÊÎö £¬ÒªÁìÎȹ̿ɿ¿ £¬ÏßÐÔ¹æÄ£ºÃ £¬Ñ¸ËÙ¶È¸ß £¬ÊÜÔÓÖÊ·åµÄ×ÌÈÅС £¬Äܹ»ÓÐÓõضÔʳÎïÖÐÄ¿µÄ»¯ºÏÎï¾ÙÐж¨ÐÔ¶¨Á¿ÆÊÎö¡£

5.²Î¿¼ÎÄÏ×
[1] GB 5009.28-2016 ʳÎïÖб½¼×ËᡢɽÀæËáºÍÌǾ«ÄƵIJⶨ

Ïà¹Ø²úÆ·

ÁªÏµÐË·¢ptÓÎÏ·

Ïàʶ¸ü¶àÏêϸÐÅÏ¢ £¬ÇëÖµç
400-7102-888
·ÇÊÂÇéʱ¼ä·þÎñÈÈÏß
139 1323 1381
¸øÎÒÃÇÁôÑÔ
ÔÚÏßÁôÑÔ
΢ÐÅÊÛºó·þÎñ¶þάÂë

ÍøÕ¾µØÍ¼