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Teledyne Leeman Labs
ǰ ICP-OES
[ICP] Analysis of Petroleum Samples by ICP-OES(÷ м)

Analysis of Petroleum Samples by ICP-OES

 

[Introduction]

1970 ȭ ʵ忡 ICP-OES м ȿ뼺 Դ. Teledyne Leeman Labs Prodigy7 ICP-OES ȭ ռ ϱ Ǿ.

Prodigy 207.jpg

Prodigy7 ICP-OES>



[Experimental]

 

ǥ 5 ppm Co Ͽ. ÷ sets Ͽ Table I Ѵ. ù ° ׷ ʰ ó Ͽ, ° ׷ ȸ test 2 ppm ũ multi-element standard ÷Ͽ.


Table I : Sample preparation

 

Sample

ǥع

ũ*

Preparation

#1

1:10

5 ppm Cobalt(Co)

None

1:10

1:100

Preparation

#2

1:10

Multi-Element Standard

1:10

Multi-Element Standard

1:100

Multi-Element Standard

- ũ* : ȸ test

 

[Instrument Operating Conditions]


м radial мϿ, Table II .


Table II : Instrument Operating Parameters

Instrument

RF Power

1.2 kW

Coolant Flow

12 L/min

Auxiliary Flow

1.2 L/min

Nebulizer Pressure

35 psi

Uptake Rate

25 rpm

Sample Introduction

Nebulizer Type

Ryton V-groove

Spray Chamber

Glass cyclonic with a center knockout tube

ġ

Quartz Demountable

1.1 mm bore

Sample

ǥع

Cobalt(Co)

ð

30


 


[Calibration]

 

calibration VHG V23 (100 ppm) Ͽ غѴ.

󵵴 0, 1.0, 2.5, 5.0 ׸ 10.0 ppm ̴.


app1.jpg


[Results]

*Detection Limits

÷ м ռ Prodigy7 ICP-OES Ѱ踦 Ѵ. Table III Ϲ radial Ѱ踦 Ÿ. Ѱ calibration blank 10ȸ м ǥ 3 ̴.


Table III : Detection Limits in 1:10 Oil:Kerosene Matrix

Element

Wavelength (nm)

DL (mg/L)

Ag

328.068

0.001

Al

308.215

0.001

Ba

455.403

0.0004

Ca

396.847

0.0004

Cd

214.441

0.001

Cr

267.716

0.001

Cu

324.754

0.002

Fe

259.94

0.001

Mg

279.553

0.0001

Mn

257.61

0.0004

Mo

281.615

0.003

Ni

221.648

0.004

Na

589.592

0.024

P

213.618

0.012

Pb

220.353

0.029

Si

251.611

0.006

Sn

189.991

0.030

Ti

334.941

0.001

V

309.311

0.001

Zn

202.548

0.001


 *Samples

Prodigy7 15а ־ Ų , Table III ҵ calibration Ѵ. ÷ غϰ м Table IV ~ VI Ÿ´.


Table IV : Fuel Oil Results

Element

Measured Conc. (mg/L)

Spike Recovery %

RSD %

Ag 328.068 r

93.9

0.2

Al 308.215 r

7.00

96.4

0.2

Ba 455.403 r

97.2

0.1

Ca 396.847 r

0.74

97.3

0.1

Cd 214.441 r

95.6

0.2

Cr 267.716 r

98.5

0.2

Cu 324.754 r

96.1

0.2

Fe 259.940 r

4.27

96.8

0.1

Mg 279.553 r

99.8

0.2

Mn 257.610 r

98.5

0.1

Mo 281.615 r

98.3

0.3

Ni 221.648 r

3.33

97.5

0.1

Na 589.592 r

1.03

98.8

0.07

P 213.618 r

0.12

96.6

0.7

Pb 220.353 r

98.6

0.5

Si 251.611 r

0.15

97.3

0.2

Sn 189.991 r

99.1

0.2

Ti 334.941 r

97.6

0.1

V 309.311 r

7.08

97.1

0.2

Zn 202.548 r

97.1

0.1

 

Table V : Diesel Fuel Results

Element

Measured Conc. (mg/L)

Spike Recovery %

RSD %

Ag 328.068 r

93.1

0.5

Al 308.215 r

93.6

0.4

Ba 455.403 r

94.7

0.4

Ca 396.847 r

94.7

0.3

Cd 214.441 r

93.9

0.4

Cr 267.716 r

95.5

0.4

Cu 324.754 r

95.2

0.3

Fe 259.940 r

95.1

0.4

Mg 279.553 r

97.2

0.4

Mn 257.610 r

96.3

0.4

Mo 281.615 r

95.1

0.7

Ni 221.648 r

94.8

0.4

Na 589.592 r

0.95

89.9

0.2

P 213.618 r

93.9

0.1

Pb 220.353 r

96.2

0.08

Si 251.611 r

93.4

0.7

Sn 189.991 r

91.1

0.5

Ti 334.941 r

94.9

0.4

V 309.311 r

94.6

0.4

Zn 202.548 r

95.2

0.5


Table VI : Crude Oil Results

Element

Measured Conc. (mg/L)

Spike Recovery %

RSD %

Ag 328.068 r

107.6

0.9

Al 308.215 r

1.86

105.9

0.6

Ba 455.403 r

110.8

0.6

Ca 396.847 r

7.09

109.6

0.4

Cd 214.441 r

104.6

0.5

Cr 267.716 r

107.8

0.4

Cu 324.754 r

107.1

0.5

Fe 259.940 r

109.6

0.4

Mg 279.553 r

110.6

0.4

Mn 257.610 r

109.4

0.7

Mo 281.615 r

109.1

0.4

Ni 221.648 r

105.8

0.4

Na 589.592 r

18.7

108.0

0.1

P 213.618 r

107.5

0.5

Pb 220.353 r

109.2

0.2

Si 251.611 r

106.8

0.2

Sn 189.991 r

108.2

0.8

Ti 334.941 r

110.5

0.4

V 309.311 r

0.18

109.4

0.6

Zn 202.548 r

108.5

0.5


[Conclusions]

Teledyne Leeman Labs Prodigy7 ICP-OES ̿Ͽ ÷Ḧ Ϻϰ мϿ. ũ ȸ׽Ʈ 10 % ȮεǾ, ÷ м RSD ϴ.

 

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