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Chemical Structure| 877-24-7 Chemical Structure| 877-24-7
Chemical Structure| 877-24-7

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Potassium hydrogen phthalate is a biochemical reagent commonly used as a component of standard buffer solutions.

4.5 *For Research Use Only !

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Akbiyik, Hilal ; Girgin, Ayça ; Zaman, Buse Tuğba ; Atakol, Arda ; San, Nevim ; Bakirdere, Sezgin

Abstract: Global population growth has led to an increase in the consumption of silver, which has a wide range of applications. This situation has increased demand for determining trace levels of silver to protect public health and the environment. In this study, an efcient magnetic-dispersive solid phase extraction (MDSPE) method was developed utilizing TiO2@Fe3O4 nanocomposites (NCs) as adsorbent for the separation and preconcentration of silver ions. TiO2 nanoparticles (NPs) were synthesized by a microwave-assisted hydrothermal method under diferent precursor solution and temperature program conditions. The procedure yielding TiO2 NPs with the homogeneous size distribution was established, and the NPs obtained with this procedure were used to modify the Fe3O4 surface. TiO2@Fe3O4 NCs and TiO2 NPs synthesized via alternative innovative methods to traditional techniques were examined by various characterization methods. Flame atomic absorption spectrometry (FAAS) was used for detection and quantifcation of analyte. All parameters expected to afect the adsorption and desorption of silver ions on the TiO2@Fe3O4 NCs were optimized. In the developed procedure, the optimum parameters were 20 mg TiO2@Fe3O4 NC, 1.5 mL bufer solution (pH 6.0), orbital agitation for 30 min, and 0.10 mL HNO3 (2.0 M). The proposed novel TiO2@Fe3O4-MDSPE-FAAS method exhibits detection and quantifcation limits of 0.005 and 0.017 mg kg−1 in a wide linear working range for silver ions. The method’s relevance and accuracy were evaluated by recovery experiments conducted on both actual and synthetic residential wastewater samples, yielding satisfactory percent recovery results using a matrix-matching calibration strategy.

Keywords: Titanium dioxide ; TiO2@Fe3O4 ; Dispersive solid phase extraction ; Silver ions ; Wastewater

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Göver, Tuğçe ; Bodur, Sezin Erarpat ; Zaman, Buse Tuğba ; Bakirdere, Sezgin ;

Abstract: In this study, tin oxide based-dispersive solid-phase extraction (SnO2-DSPE) method followed by flame atomic absorption spectrophotometry (FAAS) was developed for the extraction and sensitive determination of copper at trace levels in domestic and synthetic wastewater samples. Several important parameters including pH and buffer solution volume, adsorbent amount, sample volume, mixing type/period, eluent concentration/volume were optimized to obtain high signal-to-noise ratio and extraction yield for the analyte. Under the optimum SnO2-DSPE-FAAS conditions, a 45-fold enhancement in detection power of conventional FAAS system was achieved by the developed method. Limit of detection (LOD) and limit of quantification (LOQ) values were calculated as 2.9 and 9.6 µg/L, respectively. Recovery experiments were carried out on the spiked domestic and synthetic wastewater samples in order to control the applicability of the developed method. Excellent percent recovery results (74.8–113.3%) were attained for the spiked samples. According to these results, SnO2 nanoparticles synthesized by microwave-assisted method can be used as sorbent material for the preconcentration of copper at trace levels. To the best our knowledge, this is the first study for the preconcentration of copper in wastewater samples by SnO2-DSPE method.

Keywords: Atomic absorption spectrophotometry ; Tin oxide ; Copper ; Dispersive solid-phase extraction ; Wastewater

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Alternative Products

Product Details of Potassium Hydrogen Phthalate

CAS No. :877-24-7
Formula : C8H5KO4
M.W : 204.22
SMILES Code : O=C(O)C1=CC=CC=C1C([O-])=O.[K+]
MDL No. :MFCD00013070
InChI Key :IWZKICVEHNUQTL-UHFFFAOYSA-M
Pubchem ID :23676735

Safety of Potassium Hydrogen Phthalate

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of Potassium Hydrogen Phthalate

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 877-24-7 ]

[ 877-24-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 116754-58-6 ]
  • [ 877-24-7 ]
  • 2-(13-hydroxytridecyl)-1H-isoindole-1,3(2H)-dione [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N,N-dimethyl-formamide; at 70℃; for 12h;Inert atmosphere; <strong>[116754-58-6]13-bromotridecan-1-ol</strong> 11(4.854 g, 17.4 mmcl) and potassium phthalate (4.311 g, 23.0 mmcl) were dissolved in anhydrous DMF (50 mL) under nitrogen gas. The reaction was stirred at 70C for 12 hours. The mixture was diluted with water and extracted into ethylacetate (3 x 200 mL). The combined extracts were washed with brine and dried oversodium sulfate. The solvent was removed in vacuo to yield 6.059g of a crude product.1H NMR (500 MHz, CDCI3): O 7.85-7.83 (m, 2H), 7.72-7.70 (m, 2H), 3.75-7.60 (m, 4H),1.67 (p, J= 7.0 Hz, 2H), 1.57 (p, J= 6.5 Hz, 2H), 1.40-1.20 (m, 18H).
 

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