The N2 adsorption/desorption behavior of hydrochars were determined at 77 K using Belsorp mini II analyzer. The adsorbents were degassed in vacuum at 110 °C and kept overnight followed by further analysis28 (link). Smartsorb 92/93 surface area analyzer was used to assess the BET surface area of hydrochars. FTIR (Shimadzu’s 8400S model) was used to detect the molecular functionalities prevailing in the hydrochar at 400–4000 cm−1 wavenumber range29 (link). Horiba Scientific Nanopartica SZ-100 particle size analyzer was used to analyze the zeta potential of hydrochars30 . FEI—Quanta 250 Scanning Electron Microscope (SEM) was used to examine the structural morphologies of hydrochars at a voltage of 8 kV with × 10,000 magnification. FEI—Quanta 250 Transmission Electron Microscope (TEM) was used to interpret the hydrochar’s internal morphologies at an operating voltage 120 kV31 . The point of zero charge (pHzpc) was determined using pH drift method.
8400s model
Manufactured by Shimadzu
Sourced in Japan
The Shimadzu 8400S is a laboratory equipment model designed for spectroscopic analysis. It is capable of performing various spectroscopic techniques, including infrared (IR) spectroscopy. The 8400S provides accurate and reliable data for analytical purposes.
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Lab products found in correlation
3 protocols using 8400s model
1
Hydrochar Characterization: Adsorption, Morphology, and Surface Properties
2
FTIR Analysis of Scaffold Compounds
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FTIR is based on assessing vibrational mutations of molecules and ions of polyaromatic and infrared radiation's absorption to determine the compounds' functional groups. This method determined the organic compounds and functional groups in gelatin-alginate and composite scaffolds. This study used a device (FTIR, SHIMADZU, 8400 S model, Japan) to perform this test. For this purpose, the scaffolds printed were placed by a holder in a spectrometer in the range of 1400 −cm to 14,000−cm.
3
FTIR Analysis of Plant Extract Antioxidants
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Fourier Transform Infra-red (FTIR) spectroscopy analysis, to determine organic compounds and identi cation of functional groups in chemical compounds of plant extract for antioxidant activity, was used. Combine the powder of the plant's completely dry extract and the potassium bromide seeds (KBr) in a ratio of 1 to 100, and after grinding them, pour some of their mixture into a special metal mold and press it with a hydraulic press machine until it became a transparent pill. The resulting tablet was analyzed by FTIR spectrophotometer (Shimadzu 8400S model/Japan) in the range of 4000 - 400 cm - 1 wavelength with a resolution of 4 cm - 1 [21] .
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