OMA Protocol Review: OMAMAN-56 Sulfites in Shrimp

Table 2. Method developer results for incurred samples of raw head off shrimp

Accuracy (meanBIOFISH/ meanOMA)

Day / Analyst / Device

Mean Result (mg/kg)

Matrix

Method

S r

RSD r

(%)

RSD i

(%)

Accuracy (%)

Bias

Day /Analyst / Device

OMA

-

-

-

-

Day1 /Analyst 1/ Device 1

0

0

-

-

-

-

BIOFISH 300 SUL

Day2 /Analyst2/ Device2

0

0

-

-

-

-

Day /Analyst / Device

OMA

10.50*

0.7

6.67

-

-

-

Day 3/Analyst 1/ Device 1

7.62

0.37

4.86

-

-

-

BIOFISH 300 SUL

8.33

Day 4 /Analyst 2/ Device2

8.71

0.42

4.82

-

-

-

Day /Analyst / Device

OMA

‹10

-

-

-

-

-

Day1 /Analyst 1/ Device 1

9.02

0.52

5.76

-

-

-

BIOFISH 300 SUL

5.67

Day2 /Analyst2/ Device2

8.80

0.52

5.91

-

-

-

Day /Analyst / Device

OMA

15.67

0.58

3.7

-

-

-

Day 3 /Analyst 1/ Device 1

17.15

0.71

4.14

1.09

109

1.48

BIOFISH 300 SUL

6.36

RAW SHRIMP HEAD OFF Day 4 /Analyst2/ Device2

16.02

1.09

6.8

1.02

102

0.35

Day /Analyst / Device

OMA

24.67

2.52

10.21

-

-

-

Day1 /Analyst 1/ Device 1

2.,94

1.62

6.50

1.01

101

0.27

BIOFISH 300 SUL

6.92

Day2 /Analyst2/ Device2

22.88

0.95

4.15

0.93

93

-1.79

Day /Analyst / Device

OMA

3.,00

3.46

11.16

-

-

-

Day1 /Analyst 1/ Device 1

30.31

1.20

3.96

0.98

98

-0.69

BIOFISH 300 SUL

4.64

Day2 /Analyst2/ Device2

29.74

1.65

5.55

0.96

96

-1.26

* OMA results for this sample were: Rep1: ‹10 mg/kg, Rep2: 10±2 mg/kg and Rep 3: 11±2 mg/kg.

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