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GC-MS 6800²âÊÔEVAÖÊÁÏÖеÄBHTºÍBHA

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1. ÒÇÆ÷¼ò½é

GC-MS 6800ÊÇ9001cc½ðɳÒÔ³ÏΪ±¾ÒÇÆ÷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¸ïµÈÐÐÒµÖÐÓк¦ÎïÖʵļì²â¡£

9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾

ͼ1. GC-MS 6800ÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇÍâ¹Ûͼ

2£®ÊµÑ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¿¡£

2.2 Ö÷ÒªÒÇÆ÷×°±¸¡¢ºÄ²ÄºÍÊÔ¼Á

GC-MS 6800 ÆøÏàÉ«Æ×ÖÊÆ×ÁªÓÃÒÇ£¬ÅäÓеç×Óºä»÷Ô´£¨9001cc½ðɳÒÔ³ÏΪ±¾£©£»

BHT±ê׼Ʒ£º´¿¶È99%£¨¹ú¼Ò±ê×¼ÎïÖÊÍø£©£»

BHA±ê׼Ʒ£º´¿¶È99%£¨¹ú¼Ò±ê×¼ÎïÖÊÍø£©£»

Õý¼ºÍ飺HPLC¼¶£¨Ä¬¿Ë¼¯ÍÅ£©  ¡£

2.3 ²âÊÔÌõ¼þ

É«Æ×Öù£ºDB-5MS£¬30m¡Á0.25mm¡Á0.25¦Ìm£»

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½øÑù·½·¨£º²»·ÖÁ÷½øÑù£¬²»·ÖÁ÷ʱ¼ä1min£»

½øÑùÁ¿£º1.0¦ÌL£»

½øÑù¿Úζȣº250¡æ£»

ÆøÖʽӿÚζȣº250¡æ£»

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ÔØÆø£ºº¤Æø£¬´¿¶È¡Ý99.999%£¬Á÷ËÙ1.5mL/min£»

µçÀë·½·¨£ºEI£»

µçÀëÄÜÁ¿£º70eV£»

ÈܼÁÇгýʱ¼ä£º6.5min£»

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3£®²âÊÔЧ¹û

3.1 Á½ÖÖÄ¿µÄÎï×é·Ö¶¨ÐÔЧ¹û

9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾

1.BHA  2. BHT

 

ͼ2. Á½ÖÖÄ¿µÄÎïTICͼ

9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾ 

ͼ3. BHAÖÊÆ×ͼ

9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾ 

ͼ4. BHTÖÊÆ×ͼ

 

±í1. Ä¿µÄÎï²âÊÔÐÅÏ¢

»¯ºÏÎï

Ó¢ÎÄÃû³Æ

CASºÅ

ÌØÕ÷Àë×Ó

BHA

3-tert-butyl-4-hydroxyanisole

121-00-6

165* 137 180

BHT

2,6-Di-tert-butyl-4-methylphenol

128-37-0

205* 145 177 220

3.2 ÑùÆ·²âÊÔ

Ä¿µÄÎïÔÚ0.5ppm-10ppmÏßÐÔÓÅÒ졣ȡ¿ÕȱËܽºÑùÆ·¼Ó±ê£¬ÑùÆ·¾­ÓÉÕý¼ºÍ鳬ÉùÝÍÈ¡¡£10ppm¼Ó±êˮƽ£¨Í¼5£©£¬»ñµÃ½ÏÁ¿Öª×ãµÄЧ¹û¡£

9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾ 

ͼ5. 10ppm¼Ó±êÏÂTICͼ

1.       BHA  2. BHT

 

4. ×ܽá

±¾ÊµÑé½ÓÄÉGC-MS 6800£¬ÔÚSIMɨÃèģʽ϶ÔBHAºÍBHT¾ÙÐвâÊÔ£¬ÒªÁìÎȹ̿ɿ¿£¬ÏßÐÔ¹æÄ£ºÃ£¬Ñ¸Ëٶȸߣ¬ÊÜÔÓÖÊ·åµÄ×ÌÈÅС£¬Äܹ»¶ÔEVAÖÊÁÏÖеÄBHAºÍBHT¾ÙÐÐÓÐÓõ͍ÐÔ¶¨Á¿ÆÊÎö¡£

 

5. ²Î¿¼ÎÄÏ×

[1] GB500932¡ª2016ʳÎïÇå¾²¹ú¼Ò±ê׼ʳÎïÖÐ9ÖÖ¿¹Ñõ»¯¼ÁµÄ²â¶¨

[2] SNT 1504.3-2014 ʳÎïÈÝÆ÷¡¢°ü×°ÓÃËÜÁÏÖÊÁÏ µÚ3²¿·Ö£ºÒÒÏ©¾ÛºÏÎïºÍÒÒÏ©-´×ËáÒÒÏ©õ¥£¨EVA£©¹²¾ÛÎïÖж¡»ù-ôÇ»ù¼×±½£¨BHT£©µÄ²â¶¨ ÆøÏàÉ«Æ×·¨

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