Hollow Fibre-Supported Liquid Membrane for the Determination of Sulfonamide Residues in Egg Samples

Table 5

Sulfonamide levels found in egg samples from supermarkets located in Gauteng Province (South Africa) (n = 6).

Sample

SGD

SAM

SAA

SDZ

STZ

SPY

SMR

SMT

SMM

SCP

SMX

%RSD

SSO

SBZ

%RSD

SQZ

SSA

%RSD

F

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

19.2^a

7.4

ND

59.0^a

7.3

ND

50.0^a

9.2

G

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

—

ND

ND

—

ND

ND

—

H

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

16.4^a

11.8

ND

56.0^a

10.6

ND

33.0^a

9.7

I

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

—

ND

ND

—

ND

ND

—

J

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

68.0^a

9.6

ND

61.5^a

12

ND

61.2^a

12.6

F, G, H, I, and J are new batches of egg samples collected from five brands (supplier): a: μg·kg⁻¹; ND: not detected.