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Table 1 Calibration curves results of standards

From: Assessment of sulphonamides and tetracyclines antibiotic residue contaminants in rural and peri urban dairy value chains in Kenya

STANDARS

Regression equation from calibration curves

Rr2

LOD HPLC-UV

RF

SD (%)

SMR

f(x) = 662.48x + 74645.3

1.0

50

737.1

0.08

SDOX

F(x) = 376.583x + 1846.29

1.0

100

378.4

0.004

SCL-rt30

F(x) = 17.72x – 7393.03

1.0

100

10.3

0.62

SDZ

F(x) = 340.51x + 2232.01

1.0

50

342.7

0.005

SMTZ

F(x) = 321.58x + 4987.23

1.0

50

326.6

0.013

SQ

F (x) = 259.997x + 1480.45

1.0

50

258.5

0.005

SDM

F(x) = 292.90x – 8808.51

1.0

80

284.1

0.027

SMX

F(x) = 386.15x – 297.48

1.0

50

385.9

0.001

STZ-32

F(x) = 65.84x + 18977

1.0

50

84.8

0.19

OTC

F(x) = 43.30x + 48278.9

1.0

40

91.6

0.46

DC

F(x) = 55.08x + 29908.4

1.0

40

85

0.3

CTC

F(x) = 127.8x + 18909.9

1.0

40

146.7

0.11

TC

F(x) = 63.85x – 2396.01

1.0

40

61.5

0.034

  1. Rr2 recovery ratio, RF: retention factor, LOD:limit of detection, SD:standard deviation, Sulfachloropyradizine (SCL), Sulfadiazine (SDZ), Sulfadimidine (SMTZ), Sulfaquinoxaline (SQ), Sulfamerazine (SMR), Sulfathiazole (STZ), Sulfamethoxazole (SMX), Sulfadoxin (SDOX), Sulfadimethoxin (SDM), Oxytetracycline (OTC), Doxycycline hyclate (DC), Chlortetracycline hydrochloride (CTC) and Tetracycline hydrochloride (TC)