黄曲霉毒素检测

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Qingdao Zhenzheng Analytical

 Instrument Co., LTD

Mobile: 15963292045

Email: qdzhenzheng@163.com

QQ: 2776447184

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Shandong University, No.669 East China Road, 

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Analysis of 6 volatile phenols in water samples by SPME-GC-FID

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Analysis of 6 volatile phenols in water samples by SPME-GC-FID


  • Analysis of 6 volatile phenols in water samples by SPME-GC-FID

Analysis of 6 volatile phenols in water samples by SPME-GC-FID

Qingdao Zhenzheng Analytical Instrument Co., LTD. Technical department


图片1.pngSPMEProbe item numberZZ-SPME-06-s

 

Analysis condition:

 

Sample: 10 ml water sample with standard, the concentration of volatile phenol was 20 ng/ml


Extraction temperature: 50 ºC; Extraction time: 30 min; Mixing speed: 600 rpm; Salt concentration: 30%, w:v; The pH value is 1


Desorption time: 3 min; Desorption temperature 250 ºC


Column: HP-1 30 m × 0.32 mm × 0.4 µm


Inlet: 250 ºC, no shunt injection;


Carrier gas: Nitrogen, flow rate 2.5 ml/min


Programmed temperature rise: 50 ºC for 2 min, 8 ºC/min to 100 ºC, 15 ºC/min to 250 ºC for 3 min


Detector: FID


 图片2.png


 

 

GC-FID chromatogram

 

 

 

Linear range, linear correlation coefficient, minimum detection limit and repeatability

Analytes

Linear Range (mg/L)

r

LOD (mg/L)            RSD (%, n = 5)




5 mg/L

20 mg/L

P

1-100

0.9894

0.041

10.1

2.7

2-CP

0.5-50

0.9931

0.007

10.8

4.0

2-MP

0.5-50

0.9978

0.019

 9.3

2.5

2-NP

0.5-50

0.9955

0.006

 5.2

3.6

2,4-DCP

0.5-50

0.9983

0.004

 5.9

3.1

2,4,6-TCP

0.5-50

0.9994

0.003

15.7

3.5

 

Test result of actual water sample and recovery rate of added standard

Analytes

Recovery (%, RSD %, n=3)

Sample concentration (mg/L)


地下水

自来水

海水 (SW1)

地下水

自来水

海水1

海水2

海水3

P

108.0 (14.2)

108.1 (3.7)

107.1 (14.8)

ND

ND

ND

ND

ND

2-CP

117.0 (10.2)

108.8 (4.6)

117.3 (15.3)

ND

ND

ND

ND

4.0

2-MP

106.7 (9.8)

100.5 (3.3)

107.1 (16.4)

ND

ND

ND

ND

ND

2-NP

115.6 (9.4)

111.8 (4.2)

111.2 (15.9)

ND

ND

ND

ND

ND

2,4-DCP

113.6 (11.0)

108.6 (4.5)

105.8 (17.2)

ND

ND

ND

ND

40.6

2,4,6-TCP

112.4 (17.3)

106.7 (13.5)

 94.8 (15.6)

ND

ND

ND

ND

4.3


Key word:Solidphasemicroextraction

1551752942177375.png

Qingdao Zhenzheng Analytical Instrument Co., LTD

Tel: 15963292045 Email: qdzhenzheng@163.com

QQ: 2776447184 Add: Building 27, Shandong University International Industrial Park, No.669 East China Road, High-tech Zone, Qingdao

Technical support:浩瀚网络     Record number:鲁ICP备14019093号-1  

Web address: www.qdzhenzheng.com           

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黄曲霉毒素检测

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