9001cc½ðɳÒÔ³ÏΪ±¾

ÊÖ³Öʽ¹âÆ×ÒÇÊÖ³ÖʽºÏ½ðÆÊÎöÒǺϽðÆÊÎöÒÇ
¹ÉƱ´úÂ룺300165 ÆóÒµÓÊÏä Ͷ×ÊÕß¹ØÏµ
9001cc½ðɳÒÔ³ÏΪ±¾(Öйú)ÓÐÏÞ9001cc½ðɳÒÔ³ÏΪ±¾¹«Ë¾

µç¸ÐñîºÏµÈÀë×ÓÌåÖÊÆ×ÒÇ ICP-MS

ÄúÄ¿½ñËùÔÚÒ³£ºÊ×Ò³ > ½â¾ö¼Æ»® > µç¸ÐñîºÏµÈÀë×ÓÌåÖÊÆ×ÒÇ ICP-MS

HPLC-ICPMSÁªÓòⶨºÓË®ÖеÄ5ÖÖÉéÐÎ̬

Ðû²¼ÈÕÆÚ£º2021/6/7 10:23:44  µã»÷´ÎÊý£º54560

ÖÚËùÖÜÖª £¬Éé±»ÒÔΪÊÇÒ»ÖÖÖ°©Îï £¬ÆÕ±é±£´æÓÚ×ÔÈ»½çÖÐ £¬ºã¾Ã½Ó´¥»á¶ÔÈËÌåÔì³ÉΣº¦¡£ÉéµÄ¶¾ÐÔÓëÆä»¯Ñ§ÐÎ̬ÓйØ £¬²î±ð¼Û̬¡¢²î±ðÐÎ̬µÄÉéÆä¶¾ÐÔ²î±ðºÜ´ó¡£Ò»Ñùƽ³£À´Ëµ £¬ÎÞ»úÉéµÄ¶¾ÐÔÔ¶Ô¶´óÓÚÓлúÉé¡£

±¾ÎIJο¼¹ú¼ÒÎÀÉúºÍÍýÏëÉúÓýίԱ»áÐû²¼µÄ¡¶GB 5009.11-2014 ʳÎïÖÐÎÞ»úÉéµÄ²â¶¨¡· £¬Í¨¹ýHPLC-ICPMSÁªÓà £¬½ÓÄÉHamilton PRP-X-100£¨250¡Á4.1mm£©ÒõÀë×ÓÉ«Æ×Öù £¬ÓÃ15mmol/LÁ×Ëá¶þÇâï§¼°25mmol/LÁ×Ëá¶þÇâï§£¨pH=8.0£©×÷ÁÜÏ´Òº £¬ÓÃÌݶÈÏ´Íѵķ½·¨²â¶¨Á˺ÓË®ÑùÆ·ÖеÄÎåÖÖÉéÐÎ̬ £¬ÇÒ¼Ó±ê½ÓÄÉÂÊÓÅÒì £¬Ð§¹ûÅú×¢ £¬¸ÃÒªÁìÄܹ»¿ìËÙ׼ȷµØ¾ÙÐÐË®ÖÊÑùÆ·ÖеÄÉéÐÎ̬µÄÆÊÎö¡£

1.ÒÇÆ÷¼ò½é

HPLC-310EÊÇ9001cc½ðɳÒÔ³ÏΪ±¾ÒÇÆ÷×ÔÖ÷Ñз¢µÄÐÂÒ»´úÒºÏàÉ«Æ×ÒÇ £¬¸Ã×°±¸½ÓÄÉ΢´¦Öóͷ£Æ÷ÖÇÄÜ¿ØÖÆÍù¸´Ê½Ë«Ë¨Èû²¢Áª±Ã £¬¾ßÓÐÊÂÇéÄÍѹֵ¸ß¡¢Îȹ̿ɿ¿¡¢²Ù×÷Àû±ãµÈÌØµã¡£¿ÉʵÏֵȶÈÏ´ÍѺÍÌݶÈÏ´ÍÑÁ½ÖÖ·½·¨ £¬ÇÒ¾ßÓнϸߵÄѸËÙ¶È¡¢ÊèÉ¢¶ÈºÍ¿É¿¿ÐÔ¡£

ICP-MS 2000E½ÓÄÉÈë¿ÚÉ䯵µçÔ´ £¬°ü¹ÜÒÇÆ÷¿É¶àÖÖģʽÎȹÌÔËÐÐ £¬Í¬Ê±Ê¹ÓÃÏȽøµÄµÈÀë×ÓÌåÆÁÕÏÊÖÒÕ £¬¼«´óµÄÌá¸ßÁËÒÇÆ÷µÄѸËÙ¶È¡£¸Ã×°±¸¾ßÓмì³öÏ޵͡¢Ñ¸Ëٶȸߡ¢ÆÊÎöËÙÂʿ졢ά»¤Àû±ã¡¢¸ßÄÍÑÎÐÔ¼°¸ßÐԼ۱ȵÈÌØµã¡£

HPLC-ICPMSÁªÓÃÒǽÓÄÉÒ»¼üʽÊý¾ÝÊÕÂÞ¡¢¾«×¼Ê½Æ×ͼ¶¨Î»¼°Ç¿Ê¢µÄÈí¼þÆ×ͼ´¦Öóͷ£¹¦Ð§ £¬¿ÉÖª×ã²î±ðµÄÐÎ̬²âÊÔÐèÇó£¨Èçͼ1£©¡£

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

ͼ1.HPLC-ICPMSÁªÓòâÉéÐÎ̬µÄÆÊÎöÒÇ

2.²âÊÔÔ­Àí

ÑùÆ·ÈÜÒº¾­ÓÉǰ´¦Öóͷ£ £¬ÓÉHPLC½øÑù¿Ú½øÑù £¬¾­É«Æ×ÖùÊèÉ¢ £¬Í¨¹ýÎí»¯Æ÷Îí»¯ºóËÍÈë¸ßεÈÀë×ÓÌåÖÐ £¬¸ÉÔï¡¢Ô­×Ó»¯¡¢µçÀë £¬ÔªËØÀë×Ó¾­½Ó¿ÚÊÒ½øÈëÖÊÆ×ÒÇ £¬Í¨¹ýÀë×Ó͸¾µÏµÍ³¡¢ÖÊÁ¿ÆÊÎöÆ÷¼°¼ì²âÆ÷ £¬¼ì²âÆ÷¶ÔÏìÓ¦ÔªËØÀë×Ó×ö³öÏìÓ¦£¨Ã¿ÃëÀë×Ó¼ÆÊýcps£¨counts per second£© £¬¾­Èí¼þ´¦Öóͷ£ £¬ÏìӦǿ¶ÈºÍʱ¼ä×é³ÉµÄ·åÃæ»ýÓëÏìÓ¦×éÊèÉ¢×ÓŨ¶È³ÉÕý±È¹ØÏµ¾ÙÐж¨ÐÔ¶¨Á¿ÆÊÎö¡£

3.ʵÑ鲿·Ö

3.1ʵÑé×°±¸¼°ÊÔ¼Á

ÒºÏàÉ«Æ×-µç¸ÐñîºÏµÈÀë×ÓÌåÖÊÆ×ÁªÓÃÒÇ£¨9001cc½ðɳÒÔ³ÏΪ±¾£© £»

µç×ÓÌìÆ½£¨BSA224S £¬Èü¶àÀû˹£© £»

É«Æ×Öù£¨Hamilton PRP-X100 £¬4.1¡Á250mm £¬10¦Ìm£© £»

³¬´¿Ë®ÏµÍ³£¨Millipore £¬µç×èÂÊΪ18.2M¦¸¡¤cm£© £»

°±Ë®£¨Óż¶´¿ £¬ÉϺ£¾§´¿ÊÔ¼ÁÓÐÏÞ¹«Ë¾£© £»

Á×Ëá¶þÇâï§£¨Óż¶´¿ £¬¹úÒ©¼¯ÍÅ»¯Ñ§ÊÔ¼ÁÓÐÏÞ¹«Ë¾£© £»

ÒÒ¶þ°·ËÄÒÒËá¶þÄÆ£¨Óż¶´¿ £¬°¢À­¶¡»¯Ñ§ÊÔ¼Á£©

5ÖÖÉéÐÎ̬±ê×¼ÈÜÒº£¨ÑÇÉéËá¸ù£¨GBW08666£©¡¢ÉéËá¸ù£¨GBW08667£©¡¢É鵨¼î£¨GBW08671£©¡¢Ò»¼×»ùÉ飨GBW08668£©¡¢¶þ¼×»ùÉ飨GBW08669£© £¬Öйú¼ÆÁ¿¿ÆÑ§Ôº£© £»

³¬Éù²¨£¨KH-500E,À¥É½ºÌ´´£©¡£

3.2ÑùƷǰ´¦Öóͷ£

ºÓË®ÑùÆ·¾­0.45¦ÌmµÄˮϵÂËĤֱ½Ó¹ýÂË¡£

3.3Á÷¶¯Ï༰ÉéÐÎ̬±ê×¼ÈÜÒºÅäÖÆ

15mmol/L NH4H2PO4ÈÜÒº£º×¼È·³ÆÈ¡1.726gÁ×Ëá¶þÇâï§ £¬ÈÜÓÚ1000 mL³¬´¿Ë®ÖÐ £¬¾­0.45¦ÌmµÄˮϵÂËĤ¹ýÂ˺ó £¬ÓÚ³¬ÉùˮԡÖг¬ÉùÍÑÆø30min¡£

25mmol/L NH4H2PO4ÈÜÒº£º×¼È·³ÆÈ¡2.876gÁ×Ëá¶þÇâï§ £¬ÈÜÓÚ1000 mL³¬´¿Ë®ÖÐ £¬Óð±Ë®µ÷ÀíPHÖÁ8.0 £¬¾­0.45¦ÌmµÄˮϵÂËĤ¹ýÂ˺ó £¬ÓÚ³¬ÉùˮԡÖг¬ÉùÍÑÆø30min¡£

20mmol/L EDTA-2NaÈÜÒº£º×¼È·³ÆÈ¡0.745gÒÒ¶þ°·ËÄÒÒËá¶þÄÆ £¬¼ÓÈëÉÙÁ¿³¬´¿Ë® £¬ÓÚ150¡æµÄµçÈȰåÉϼÓÈÈÖÁÒÒ¶þ°·ËÄÒÒËá¶þÄÆÍêÈ«ÏûÈÚ £¬ÀäÈ´ºó¶¨ÈÝÖÁ100 mLµÄÈÝÁ¿Æ¿ÖÐÒÔ´ý±¸Óá£

ÉéÐÎ̬±ê×¼ÈÜÒº£º

5ÖÖÉé±ê×¼ÈÜÒº½ÓÄÉ20mmol/L EDTA-2Naƾ֤ÌݶÈŨ¶ÈµÄ·½·¨ÒÀ´Î±»Ï¡ÊÍΪ0.5?g/L¡¢1.0?g/L¡¢2.0?g/L¡¢5.0?g/L¡¢10.0?g/L¡¢20.0?g/L »ìÏý±ê×¼ÈÜÒº £¬Í¬Ê±ÅäÖÆÎåÖÖÉéÐÎ̬µÄ5?g/LµÄµ¥±êÈÜÒºÒÔ´ËÀ´ÅбðÿÖÖÉéÐÎ̬³ö·åʱ¼ä¡£

3.4ʵÑéÌõ¼þ

3.4.1É«Æ×Ìõ¼þ

     É«Æ×Ìõ¼þÏê¼û±í1ºÍ±í2¡£

±í1. HPLCÆÊÎöÌõ¼þ

²ÎÊý

²ÎÊýÉ趨

É«Æ×Öù

Hamilton PRP-X100 £¬10¦Ìm £¬250¡Á4.1mm¡£

Á÷¶¯Ïà

A-15mmol/L NH4H2PO4 £»B-25mmol/L NH4H2PO4£¨pH=8.0£©¡£

Á÷ ËÙ

A-1.0mL/min £»B-1.5mL/min¡£

Öù ÎÂ

25¡æ

½øÑùÁ¿

100¦ÌL

Ï´ÍѳÌÐò

ÌݶÈÏ´ÍÑ

±í2. ÌݶÈÏ´ÍÑÌõ¼þ

ʱ¼ä

Á÷¶¯ÏàA

Á÷¶¯ÏàB

Á÷ ËÙ

0min

100%

0%

1.0mL/min

5min

100%

0%

1.0mL/min

5.01min

0%

100%

1.5mL/min

12min

0%

100%

1.5mL/min

12.01min

100%

0%

1.0mL/min

3.4.2ÖÊÆ×Ìõ¼þ

     ICP-MSÆÊÎöÌõ¼þ¼û±í3¡£

±í3. ICP-MSÆÊÎöÌõ¼þ

²ÎÊý

²ÎÊýÉ趨

²ÎÊý

²ÎÊýÉ趨

¹¦ ÂÊ

1300W

µÈÀë×ÓÆø

13L/min

¸¨ÖúÆø

1.06L/min

ÔØ Æø

1.2L/min

²ÉÑùÉî¶È

16

ÆÊÎöģʽ

±ê׼ģʽ

3.5ʵÑéЧ¹û

3.5.1É«Æ×Êèɢͼ

°´±í2µÄÏ´ÍÑÌõ¼þ £¬½øÑù20.0?g/LÉéÐÎ̬»ìÏý±ê×¼ÈÜÒº £¬»ñµÃÎåÖÖÉéÊèɢɫÆ×ͼ £¬Èçͼ2¡£AsC¡¢As3+¡¢DMA¡¢MMA¡¢As5+Ïà¶Ô±£´æÊ±¼ä»®·ÖΪ120s¡¢155s¡¢247s¡¢329s¡¢583s £¬×ÜÊèɢʱ¼äԼΪ600s¡£

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

ͼ2. 5ÖÖÉéÐÎ̬µÄ»ìÏý±ê×¼ÈÜҺɫÆ×ͼ

3.5.2±ê×¼ÇúÏß

ƾ֤»ìÏý±ê×¼ÈÜҺŨ¶È0.5?g/L¡¢1.0?g/L¡¢2.0?g/L¡¢5.0?g/L¡¢10.0?g/L¡¢20.0?g/L½øÑù»ñµÃÉ«Æ×ͼ £¬ÅÌËãÆä·åÃæ»ý £¬ÒÔŨ¶ÈºÍ·åÃæ»ý»æÖƱê×¼ÇúÏß £¬ÏßÐÔÏà¹ØÏµÊý¾ù´óÓÚ0.999 £¬Ð§¹ûÏê¼ûͼ3-1~3-5¡£

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

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

ͼ3-3.DMA±ê×¼ÇúÏß                               Í¼3-4.MMA±ê×¼ÇúÏß

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


3.5.3 ¼ì³öÏÞ

ͼ4Ϊ5.0?g/L»ìºÍ±ê×¼ÈÜҺɫÆ×ͼ £¬ÒÔ¸÷ÐÎ̬·åÖÜΧ»ùÏß´¦µÄ3±¶ÐÅÔë±È£¨S/N)·å¸ß¶ÔÓ¦µÄŨ¶È×÷Ϊ¼ì³öÏÞ £¬AsC¡¢As3+¡¢DMA¡¢MMA¡¢As5+»®·ÖΪ0.078?g/L¡¢0.10?g/L¡¢0.11?g/L¡¢0.13?g/L¡¢0.16?g/L¡£

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

ͼ4. 5.0?g/LÎåÖÖÉéÐÎ̬µÄ»ìÏý±ê×¼ÈÜҺɫÆ×ͼ

3.5.4 ²âÊÔЧ¹û

ºÓË®ÑùÆ·¼°¼Ó±ê1?g/LµÄ²âÊÔЧ¹ûÏê¼û±í4 £¬ÑùÆ·¼°¼Ó±êºóÉéÐÎ̬µþ¼ÓÆ×ͼÈçͼ5Ëùʾ¡£

                        

±í4   ÑùÆ·Öи÷ÉéÐÎ̬µÄ²âÊÔЧ¹û

×é·ÖÃû³Æ

²â¶¨Ð§¹û

£¨?g/L£©

¼Ó±êºóŨ¶È

£¨?g/L£©

¼Ó±ê½ÓÄÉÂÊ

£¨%)

É鵨¼î£¨AsC£©

ND

0.878

87.8

ÑÇÉéËá¸ù(As3+£©

0.713

1.783

107.0

¶þ¼×»ùÉ飨DMA£©

ND

1.127

112.7

Ò»¼×»ùÉ飨MMA£©

ND

0.934

93.4

ÉéËá¸ù£¨As5+)

5.997

7.021

102.4

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

ͼ5. ºÓË®Ñù¼°ºÓË®Ñù¼Ó±ê1.0?g/LÉ«Æ×ͼ

4. ½áÂÛ

ʹÓÃLC-ICPMSÁªÓòâÊÔºÓË®ÑùÆ·ÖеÄÎåÖÖÉéÐÎ̬ £¬²âÊÔЧ¹ûÅú×¢ £¬¸ÃÒªÁì¼ì³öÏ޵͡¢ÏßÐÔÏà¹ØÏµÊý¾ùÔÚ0.999ÒÔÉÏ £¬ÑùÆ·¼Ó±ê½ÓÄÉÂÊÔÚ87.8%-112.7%Ö®¼ä £»Í¬Ê±ÎåÖÖÉéÐÎ̬Äܹ»ÔÚ600sÄÚÍêÉíÆÊÎö £¬ÇÒÊèÉ¢¶È½ÏºÃ £¬´ËÒªÁì¿ÉÖª×ãË®ÖÊÑùÆ·ÖÐÉéµÄÐÎ̬ÆÊÎö¡£

5.²Î¿¼ÎÄÏ×

 [1] ¹ú¼ÒÎÀÉúºÍÍýÏëÉúÓýίԱ»áÐû²¼ GB 5009.11-2014ʳÎïÇå¾²¹ú¼Ò±ê×¼ ʳÎïÖÐÎÞ»úÉéµÄ²â¶¨ ÒºÏàÉ«Æ×-Ô­×ÓÓ«¹â¹âÆ×·¨ £¬2015¡£

Ïà¹Ø²úÆ·

ÁªÏµ9001cc½ðɳÒÔ³ÏΪ±¾

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

ÍøÕ¾µØÍ¼