Table 1 Instrumental techniques and their specifications.

From: Adsorptive performance of SPE via modified POM biochar for Pb(II) and tetracycline with concurrent antimicrobial action

Instrument

Model

Operating conditions

Scanning electron microscope (SEM and EDX)

JSM-6360LA, JSM-5300JEOL, JEOL-JFC-1100E Ltd., USA

25KV, 25000X

Transmission electron microscope (TEM)

JEOL, JEM 1400, USA

80KX

XRD

X’Pert³ Powder, Netherland.

X-ray tube target: Cu voltage: 40.0 (kV), scan speed = 12.0000 (deg/min)

Microwave oven

Model KOG-1B5H, Korea

1400-W and 2.45 GHz.

FT-IR

BRUKER spectrophotometer

500–4000 cm− 1

GC- MS

Agilent 5977 C, USA

Scan mode

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