Spectrophotometric determination of trace copper in water samples with thiomichlersketone

Fu, Dayou; Yuan, Dong

doi:10.1016/j.saa.2006.03.018

Cited by 53 publications

(14 citation statements)

References 15 publications

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“…Efek pada ibu hamil dapat menyebabkan keguguran janin, dan cacat mental maupun fisik [5] Nilai ambang batas merkuri dalam bahan pangan sangat rendah, misalnya dalam air minum 0,006 mg/L dan dalam ikan 0,6 mg/kg [4], oleh sebab itu diperlukan metode analisis khusus. Metode yang digunakan adalah CV-AAS, ICP-AES, ICP-MS, namun memerlukan peralatan mahal, biaya perawatan tinggi dan keahlian khusus [6]. Oleh sebab itu sulit terjangkau oleh laboratorium di negara berkembang apalagi laboratorium di daerah.…”

Section: Pendahuluanunclassified

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ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

Sukib¹,

Mutiah²

2016

J. Pijar MIPA

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Abstrak. Telah dilakukan penelitian tentang penyusunan metode analisis merkuri melalui pembentukan senyawa kompleks dengan 4,4'-Bis(dimethylamino)thio-benzophenone TMK. Senyawa kompleks tersebut berwarna biru kehijauan yang dapat dideteksi dengan spektrofoto-meter pada kondisi: max 574 nm; pH 3; konsentrasi TMK 0,0002 M, dan waktu tunggu selama 4-10 menit. perbandingan volume pereaksi: Hg(II), bufer pH 3, TMK 0,002 M, H2O bebas ion adalah 1:1:1:7. Dari hasil penelitian menunjukkan bahwa metode ini telah memenuhi validitas, yaitu: linieritas 0,05-2,0 mg/L, limit deteksi 0,008 mg/L, dan % recovery antara 98% -102%. Gangguan matriks akibat adanya ion-ion Au(III), Ag(I), Pd(II), Cu(II), Co(II), dan Fe(II) dapat dieliminasi dengan metode ekstraksi pelarut dan adisi standar. Metode adisi standar terbukti mampu memberikan data hasil pengukuran yang dapat dipercaya pada  5%, yaitu untuk sampel buatan sebesar (0,053  0,001) mg/L, air sungai (0,034  0,004) mg/L, dan sedimen sebesar (4,172  0,050) mg/kg. Dari hasil penelitian ini dapat disimpulkan bahwa metode ekstraksi pelarut dan adisi standar mampu mengeliminasi gangguan matriks pada analisis merkuri sebagai kompleks Hg-TMK secara spektrofotometri Kata kunci: Metode analisis merkuri, Thio Michler's keton, eliminasi, gangguan matriksAbstract. A research of analysis method for determination of mercury through formation of complex with 4,4'-bis(dimethylamino)thiobenzophenone TMK has been conducted. The green blue complex compound can be detected with spectrophoto-meter in conditions: max 574 nm, buffer acetate pH 3, concentration of TMK 0,0002 M, and the absorbance of complex remains stable for 4-10 minutes. The formula of reagents volume for: Hg(II): buffer acetate pH 3: TMK 0,002 M : de-ionized water is 1:1:1:7. This method is valid, with parameters such as linearity 0.05-2.00 mg/L, limit of detection 0.008 mg/L, and recovery in the range 98%-102%. Matrix interferences that are caused by Au(III), Ag(I), Pd(II), Cu(II), Co(II), and Fe(III) ions can be eliminated with solvent extraction and standard addition methods. Standard addition method is able to give data of trusty measurement result at  5%, that is for synthesis sample as (0.053  0.001) mg/L, river water (0.034  0.004) mg/L, and for sediment (4.172  0.050) mg/kg. From the result of this research, it can be concluded that solvent extraction and standard addition methods are able to eliminated matrix interferences in mercury analysis as Hg-TMK complex spectrophotometrically

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Section: Pendahuluanunclassified

“…Sebagaimana dilaporkan oleh peneliti terdahulu juga menunjukkan bahwa stabilitas senyawa kompleks ditentukan oleh waktu. Oleh sebab itu untuk keperluan analisis kimia penetapan waktu kestabilan sangat diperlukan [6], [8], [15], [16] …”

Section: Analisis Dataunclassified

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

Sukib¹,

Mutiah²

2016

J. Pijar MIPA

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“…The pH of the solution was adjusted to 3.0 and the flow rate was controlled at 1.0 ml/min. Feed and effluent were analyzed using the UV-Vis spectrophotometer to determine Au(III), Cu 2+ (500 nm) [17] and Fe 3+ (510 nm) [18] concentrations. Regeneration of the membrane adsorber was also investigated for possible reuse.…”

Section: Dynamic Adsorption Experimentsmentioning

confidence: 99%

Gold-recovery PVDF membrane functionalized with thiosemicarbazide

Wang

Cao

et al. 2015

Chemical Engineering Journal

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“…Conventional ways for measurement of copper are flame [3] and electrothermal [4] atomic absorption spectrometry, and spectrophotometric [5] methods. Frequently, a separation and preconcentration step are required for the determination of ultra-trace amounts of copper, because the matrix of samples may cause serious interference and also because the amount of the metal present in samples may be close to or even below the detection limit of these methods [6].…”

Section: Introductionmentioning

confidence: 99%

Solid phase extraction of copper(II) ions using C18-silica disks modified by oxime ligands

Dindar

Fathi

Yaftian

et al. 2010

Journal of Hazardous Materials

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Spectrophotometric determination of trace copper in water samples with thiomichlersketone

Cited by 53 publications

References 15 publications

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

Gold-recovery PVDF membrane functionalized with thiosemicarbazide

Solid phase extraction of copper(II) ions using C18-silica disks modified by oxime ligands

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Spectrophotometric determination of trace copper in water samples with thiomichlersketone

Cited by 53 publications

References 15 publications

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

Gold-recovery PVDF membrane functionalized with thiosemicarbazide

Solid phase extraction of copper(II) ions using C18-silica disks modified by oxime ligands

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Product

Resources

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ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI

ELIMINASI GANGGUAN MATRIKS DALAM ANALISIS MERKURI HG SEBAGAI SENYAWA KOMPLEKS THIO MICHLERÃ¢â¬â¢S KETON SECARA SPEKTROFOTOMETRI