Catalogo Articoli (Spogli Riviste)

HELP
ATTENZIONE: attualmente gli articoli Current Contents (fonte ISI) a partire dall'anno 2002 sono consultabili sulla Risorsa On-Line

Le informazioni sugli articoli di fonte ISI sono coperte da copyright

La ricerca find articoli where soggetti phrase all words 'TRACE AMOUNTS' sort by level,fasc_key/DESCEND, pagina_ini_num/ASCEND ha restituito 366 riferimenti
Si mostrano 100 riferimenti a partire da 1
Selezionare un intervallo

Per ulteriori informazioni selezionare i riferimenti di interesse.

    1. Dalman, O; Tufekci, M; Nohut, S; Guner, S; Karabocek, S
      Spectrophotometric determination of copper in pharmaceutical and biological samples with 3-{2-[2-(2-hydroxyimino-1-methyl-propylideneamino)-ethylamino]-ethyl-imino}-butan-2-one oxime

      JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
    2. Jabbari, A; Esmaeili, M; Shamsipur, M
      Selective transport of mercury as HgCl42- through a bulk liquid membrane using K+-dicyclohexyl-18-crown-6 as carrier

      SEPARATION AND PURIFICATION TECHNOLOGY
    3. Tokalioglu, S; Sahin, U; Kartal, S
      Determination of fluoride and some metal ion levels in the drinking watersin Kayseri province

      TURKISH JOURNAL OF CHEMISTRY
    4. Bhalotra, A; Puri, BK
      Preconcentration of bismuth(III) and copper(II) by solid-phase extraction and subsequent determination by differential pulse polarography

      JOURNAL OF AOAC INTERNATIONAL
    5. Danet, AF; Cheregi, M; Calatayud, JM; Mateo, JVG; Enein, HYA
      Flow injection methods of analysis for waters. I. Inorganic species

      CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY
    6. Gao, HW; Shi, SR; Li, YC
      Beta-correction spectrophotometric investigation of aluminium complex solution with new ligand, dibromo-o-nitrophenylfluorone

      INDIAN JOURNAL OF CHEMICAL TECHNOLOGY
    7. Stern, M; Ciclitira, PJ; van Eckert, R; Feighery, C; Janssen, FW; Mendez, E; Mothes, T; Troncone, R; Wieser, H
      Analysis and clinical effects of gluten in coeliac disease

      EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY
    8. Kagaya, S; Saiki, M; Malek, ZA; Araki, Y; Hasegawa, K
      Coprecipitation with lanthanum phosphate as a technique for separation andpreconcentration of iron(III) and lead

      FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
    9. Melwanki, MB; Seetharamappa, J; Masti, SP
      Spectrophotometric determination of vanadium(V) in minerals, steels, soil and biological samples using phenothiazine derivatives

      ANALYTICAL SCIENCES
    10. Liu, SP; Yang, R; Liu, Q
      Resonance Rayleigh method for the determination of proteins with Orange G

      ANALYTICAL SCIENCES
    11. Fujimori, K; Takenaka, N; Bandow, H; Maeda, Y
      Measurement of dissolved oxygen based on enhanced cerium(IV) chemiluminescence

      ANALYTICAL SCIENCES
    12. Burguera, JL; Burguera, M
      Flow injection-electrothermal atomic absorption spectrometry configurations: recent developments and trends

      SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
    13. Yan, SP
      Flow injection on-line sorption preconcentration and separation coupled with atomic (mass) spectrometry for trace element (speciation) analysis

      ACTA CHIMICA SINICA
    14. Takada, K; Ashino, T; Itagaki, T
      Determination of ultratrace amounts of elements in ultra-high-purity iron,steel, iron-chromium alloy and other alloys by spectrochemical analysis after chemical separation

      BUNSEKI KAGAKU
    15. Ashino, T; Takada, K; Oku, M; Wagatsuma, K
      Studies of sample cleaning for the determination of ultratrace amounts of carbon in high-purity iron by infrared absorption after combustion

      BUNSEKI KAGAKU
    16. Flaten, TP
      Aluminium as a risk factor in Alzheimer's disease, with emphasis on drinking water

      BRAIN RESEARCH BULLETIN
    17. Yokel, RA; Rhineheimer, SS; Brauer, RD; Sharma, P; Elmore, D; McNamara, PJ
      Aluminum bioavailability from drinking water is very low and is not appreciably influenced by stomach contents or water hardness

      TOXICOLOGY
    18. Lopez-Molinero, A; Villareal, A; Andia, D; Velilla, C; Castillo, JR
      Volatile germanium tetrachloride for sample introduction and germanium determination by inductively coupled plasma atomic emission spectroscopy

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    19. Bohari, Y; Astruc, A; Astruc, M; Cloud, J
      Improvements of hydride generation for the speciation of arsenic in natural freshwater samples by HPLC-HG-AFS

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    20. Lin, PH; Danadurai, KSK; Huang, SD
      Simultaneous determination of cobalt, nickel and copper in seawater with amulti-element electrothermal atomic absorption spectrometer and microcolumn preconcentration

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    21. Cave, MR; Butler, O; Chenery, SRN; Cook, JM; Cresser, MS; Miles, DL
      Atomic spectrometry update. Environmental analysis

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    22. Yan, XP; Jiang, Y
      Flow injection on-line preconcentration and separation coupled with atomic(mass) spectrometry for trace element (speciation) analysis based on sorption of organo-metallic complexes in a knotted reactor

      TRAC-TRENDS IN ANALYTICAL CHEMISTRY
    23. Smolik, M
      Distribution of microamounts of M2+ during NiSO4 center dot(NH4)2SO(4)center dot 6H(2)O crystallization

      SEPARATION SCIENCE AND TECHNOLOGY
    24. Thangavel, S; Dash, K; Chaurasia, SC
      A simple vapour phase decomposition (VPD) of quartz powder in a polypropylene phosphorus by vessel and determination of spectrophotometry

      TALANTA
    25. Alonso, EV; de Torres, AG; Pavon, JMC
      Flow injection on-line electrothermal atomic absorption spectrometry

      TALANTA
    26. Anthemidis, AN; Zachariadis, GA; Stratis, JA
      On-line solid phase extraction system using PTFE packed column for the flame atomic absorption spectrometric determination of copper in water samples

      TALANTA
    27. Quinaia, SP; da Silva, JBB; Rollemberg, MDE; Curtius, AJ
      Preconcentration of lead complexed with O,O-diethyl-dithiophosphate by column solid-phase extraction using different sorbents in a flow injection system coupled to a flame atomic absorption spectrometer

      TALANTA
    28. Tsuji, K; Spolnik, Z; Ashino, T
      New experimental equipment for grazing-exit electron-probe microanalysis

      REVIEW OF SCIENTIFIC INSTRUMENTS
    29. Mohamed, AA
      Kinetic determination of iodide based on its effect on the hydrogen peroxide oxidation of triflupromazine

      MONATSHEFTE FUR CHEMIE
    30. Komersova, A; Bartos, M; Kalcher, K; Vytras, K
      Adsorptive stripping voltammetric determination of aluminium using Arsenazo III

      COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS
    31. Hoshino, H; Saitoh, Y; Nakano, K; Takahashi, T; Yotsuyanagi, T
      Reversed-phase high-performance liquid-chromatographic determination systems specific to ultratrace hard metal ions with tridentate Schiff bases and pyridylhydrazones

      BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
    32. Geetha, K; Balasubramanian, N
      Spectrophotometric determination of nitrite using phenosafranine

      CHEMIA ANALITYCZNA
    33. Gao, HW; Yu, LQ
      Determination of aluminum with dibromo-o-nitrophenylfluorone by primary-secondary wavelength spectrophotometry

      CHEMIA ANALITYCZNA
    34. Liu, SP; Luo, HQ; Li, NB; Liu, ZF; Zheng, WX
      Resonance Rayleigh scattering study of the interaction of heparin with some basic diphenyl naphthylmethane dyes

      ANALYTICAL CHEMISTRY
    35. Luo, HQ; Liu, SP; Liu, ZF; Liu, Q; Li, NB
      Resonance Rayleigh scattering spectra for studying the interaction of heparin with some basic phenothiazine dyes and their analytical applications

      ANALYTICA CHIMICA ACTA
    36. Vilchez, JL; Ballesteros, O; Taoufiki, J; Sanchez-Palencia, G; Navalon, A
      Determination of the antibacterial norfloxacin in human urine and serum samples by solid-phase spectrofluorimetry

      ANALYTICA CHIMICA ACTA
    37. Pingarron, JM; Hernandez, IO; Gonzalez-Cortes, A; Yanez-Sedeno, P
      Carbon fibre microelectrodes modified with rhodium for the electrocatalytic determination of hydrazine

      ANALYTICA CHIMICA ACTA
    38. Wu, YL; Hu, B; Peng, TY; Jiang, ZC
      Low-temperature volatilization of Be acetylacetonate for sample introduction in ETV-ICP-AES

      ANALYTICA CHIMICA ACTA
    39. Miro, M; Frenzel, W; Cerda, V; Estela, JM
      Determination of ultratraces of nitrite by solid-phase preconcentration using a novel flow-through spectrophotometric optrode

      ANALYTICA CHIMICA ACTA
    40. Wang, JH; Hansen, EH
      Coupling sequential injection on-line preconcentration by means of a renewable microcolumn with ion-exchange beads with detection by electrothermal atomic absorption spectrometry - Comparing the performance of eluting the loaded beads with transporting them directly into the graphite tube, as demonstrated for the determination of nickel in environmental and biological samples

      ANALYTICA CHIMICA ACTA
    41. Rathore, DPS; Tarafder, PK; Kayal, M; Kumar, M
      Application of a differential technique in laser-induced fluorimetry: simple and a precise method for the direct determination of uranium in mineralised rocks at the percentage level

      ANALYTICA CHIMICA ACTA
    42. dos Santos, HC; Korn, MGA; Ferreira, SLC
      Enrichment and determination of molybdenum in geological samples and seawater by ICP-AES using calmagite and activated carbon

      ANALYTICA CHIMICA ACTA
    43. Matsumiya, H; Hoshino, H; Yotsuyanagi, T
      A novel fluorescence reagent, 10-hydroxybenzo[h]quinoline-7-sulfonate, forselective determination of beryllium(II) ion at pg cm(-3) levels

      ANALYST
    44. Marco, A; Compano, R; Rubio, R; Casals, I; Krotz, L; Ragaglia, L; Giazzi, G
      Coupling of organic elemental analysis with flame photometry for sulfur determination at the nanogram level

      ANALYST
    45. Chen, HH; Beauchemin, D
      Determination of copper in saline water using flow injection on line precipitation coupled with inductively coupled plasma mass spectrometry

      CANADIAN JOURNAL OF ANALYTICAL SCIENCES AND SPECTROSCOPY
    46. Garifzyanov, AR; Budnikov, GK; Toropova, VF; Gainutdinova, DF
      Kinetic determination of selenium using the reduction of nile blue with sulfide ions

      JOURNAL OF ANALYTICAL CHEMISTRY
    47. Kamenev, AI; Kovalenko, MA
      Determination of lead(II) in water-alcohol media by stripping voltammetry at a modified carbon-glass-ceramic electrode

      JOURNAL OF ANALYTICAL CHEMISTRY
    48. Liu, JF; Jiang, GB; Feng, YD
      Flow injection spectrophotometric determination of copper, iron, manganese, and zinc in animal feeds using a common manifold

      JOURNAL OF AOAC INTERNATIONAL
    49. Magara, M; Hanzawa, Y; Esaka, F; Miyamoto, Y; Yasuda, K; Watanabe, K; Usuda, S; Nishimura, H; Adachi, T
      Development of analytical techniques for ultra trace amounts of nuclear materials in environmental samples using ICP-MS for safeguards

      APPLIED RADIATION AND ISOTOPES
    50. Li, HB; Chen, F
      A highly sensitive fluorimetric method for the determination of fluoride in biological material with Al3+-calcein complex

      FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
    51. Benkhedda, K; Infante, HG; Ivanova, E; Adams, F
      Electrothermal atomic absorption spectrometric determination of cobalt in biological samples and natural waters using a flow injection system with on-line preconcentration by ion-pair adsorption in a knotted reactor

      FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
    52. Salonia, JA; Wuilloud, RG; Gasquez, JA; Olsina, RA; Martinez, LD
      On-line complexation of zinc with 5-Br-PADAP and preconcentration using a knotted reactor for inductively coupled plasma atomic emission spectrometric determination in river water samples

      FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
    53. Kato, K; Ito, M; Watanabe, K
      Determination of thorium and uranium in activated concrete by inductively coupled plasma mass spectrometry after anion-exchange separation

      FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY
    54. Ashino, T; Takada, K; Morimoto, Y; Yasuhara, H; Kurosaki, M; Abiko, K
      Determination of trace amounts of carbon in high-purity iron by infrared absorption after combustion: Pretreatment of reaction accelerator and ceramic crucible

      MATERIALS TRANSACTIONS JIM
    55. Abiko, K
      Why do we study ultra-high purity base metals?

      MATERIALS TRANSACTIONS JIM
    56. Takahashi, A; Igarashi, S
      Solid-phase extraction of high oxidation state metal ion-desferrioxamine Bchelates using sulfuric acid-treated silica gel

      ANALYTICAL SCIENCES
    57. Kashiwagi, Y; Kokufuta, E
      Selective determination of selenite and selenate in wastewater by graphitefurnace AAS after iron(III) hydroxide coprecipitation and reductive coprecipitation on palladium collector using hydrazinium sulfate

      ANALYTICAL SCIENCES
    58. Tunceli, A; Turker, AR
      Determination of palladium in alloy by flame atomic absorption spectrometry after preconcentration of its iodide complex on amberlite XAD-16

      ANALYTICAL SCIENCES
    59. Guo, XW
      Automatic determination of mercury, arsenic, and other hydride-forming elements by atomic-fluorescence spectrometry

      LABORATORY ROBOTICS AND AUTOMATION
    60. Karpinska, J; Kojlo, A; Misiuk, W; Starczewska, B; Puzanowska-Tarasiewicz, H
      Application of phenothiazine derivatives as reagents in kinetic-catalytic determination of some d-electron elements

      JOURNAL OF TRACE AND MICROPROBE TECHNIQUES
    61. Abbu, R; Pillay, AE; Moodley, KG
      The use of ICP-AES and anodic stripping voltammetry (ASV) to determine thelevels of cadmium and lead in river water samples from Kwa Zulu-Natal (KZ-N), South Africa

      JOURNAL OF TRACE AND MICROPROBE TECHNIQUES
    62. Gokturk, G; Delzendeh, M; Volkan, M
      Preconcentration of germanium on mercapto-modified silica gel

      SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
    63. Boyukbayram, AE; Volkan, M
      Cloud point preconcentration of germanium and determination by hydride generation atomic absorption spectrometry

      SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
    64. Mroczek, A; Wennrich, R; Werner, G; Schron, W
      Investigation of phosphorus release from different compounds in electrothermal vaporization inductively coupled plasma atomic emission spectrometry in the absence and presence of modifiers and its application to plant analysis

      SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
    65. Chanvaivit, S; Brindle, ID
      Matrix independent determination of hydride-forming elements in steels by hydride generation-inductively coupled plasma atomic emission spectrometry

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    66. Xiong, HC; Hu, B; Jiang, ZC
      Micro-column separation/preconcentration combined with fluorinating electrothermal vaporization-inductively coupled plasma-atomic emission spectrometry for determination of ultratrace rare earth elements

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    67. Benkhedda, K; Infante, HG; Ivanova, E; Adams, F
      Ultratrace determination of cobalt in natural waters by electrothermal atomic absorption spectrometry using flow-injection on-line sorption preconcentration in a knotted reactor precoated with 1-phenyl-3-methyl-benzoylpyrazol-5-one

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    68. Polec, K; Garcia-Arribas, O; Perez-Calvo, M; Szpunar, J; Ribas-Ozonas, B; Lobinski, R
      Identification of cadmium-bioinduced ligands in rat liver using parallel HPLC-ICP-MS and HPLC-electrospray MS

      JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
    69. Khuhawar, MY; Memon, AA; Bhanger, MI
      Capillary gas chromatographic determination of vanadium in rock samples using bis (acetylpivalylmethane) ethylenediimine as complexing agent

      JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN
    70. Wang, YT; Zhao, FL; Li, KA; Tong, SY
      Analytical application of light scattering probe of organic dyes

      CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
    71. Danko, B; Polkowska-Motrenko, H; Dybczynski, R
      The determination of Co in plant materials by radiochemical neutron activation analysis

      JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
    72. Shiowatana, J; Benyatianb, K; Siripinyanond, A
      Determination of Cd, Co, Hg, and Ni in seawater after enrichment on activated carbon by slurry sampling electrothermal AAS

      ATOMIC SPECTROSCOPY
    73. Neto, JAG; Oliveira, AP; Freshi, GPG; Dakuzaku, CS; de Moraes, M
      Minimization of lead and copper interferences on spectrophotometric determination of cadmium using electrolytic deposition and ion-exchange in multi-commutation flow system

      TALANTA
    74. Lawrence, NS; Davis, J; Compton, RG
      Analytical strategies for the detection of sulfide: a review

      TALANTA
    75. Navalon, A; Ballesteros, O; Blanc, R; Vilchez, JL
      Determination of ciprofloxacin in human urine and serum samples by solid-phase spectrofluorimetry

      TALANTA
    76. Burguera, JL; Burguera, M; Rondon, C; Carrero, P; Brunetto, MR; de Pena, YP
      Determination of beryllium in natural and waste waters using on-line flow-injection preconcentration by precipitation/dissolution for electrothermal atomic absorption spectrometry

      TALANTA
    77. Salvador, A; Pascual-Marti, MC; Arago, E; Chisvert, A; March, JG
      Determination of selenium, zinc and cadmium in antidandruff shampoos by atomic spectrometry after microwave assisted sample digestion

      TALANTA
    78. Tunceli, A; Turker, AR
      Flame atomic absorption spectrometric determination of silver after preconcentration on Amberlite XAD-16 resin from thiocyanate solution

      TALANTA
    79. Lohiniemi, S; Maki, M; Kaukinen, K; Laippala, P; Collin, P
      Gastrointestinal symptoms rating scale in coeliac disease patients on wheat starch-based gluten-free diets

      SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY
    80. Huang, ZY; Korenaga, T; Helaleh, MIH
      Kinetic spectrofluorimetric determination of nitrite in water samples and nitrogen dioxide in the atmosphere sampled by the liquid droplet method

      MIKROCHIMICA ACTA
    81. Gonzalez, MM; Gallego, M; Valcarcel, M
      Continuous sorbent preconcentration for the electrothermal atomic absorption spectrometric determination of ultratrace amounts of cobalt in milled wheat fractions

      JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
    82. Kato, Y; Hanazawa, K; Baba, H; Nakamura, N; Yuge, N; Sakaguchi, Y; Hiwasa, S; Aratani, F
      Purification of metallurgical grade silicon to solar grade for use in solar cell wafers

      TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN
    83. Grdinic, V; Luterotti, S
      Analytical profile of the methods in reactive polymeric solid phase

      CROATICA CHEMICA ACTA
    84. Smolik, M
      Distribution of microamounts of some M2+ ions during ZnSO4 center dot 7H(2)O crystallization

      CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE
    85. Tanner, SP; Street, KW
      Solid-phase luminescence of several rare earth ions on ion-exchange films

      APPLIED SPECTROSCOPY
    86. Fraga, ICS; Ohara, AK; Farias, PAM
      Square wave stripping voltammetry of cobalt based on adsorptive accumulation of its hydroxynaphthol blue (HNB) complex at the static mercury drop electrode

      ANALYTICAL LETTERS
    87. Soylak, M; Elci, L
      A sorbent extraction procedure for the preconcentration of gold, silver and palladium on an activated carbon column

      ANALYTICAL LETTERS
    88. Wang, HW; Zhou, YY; Zhao, YK; Ning, Y; Chen, XG; Hu, Z
      Kinetic determination of ruthenium by on-line microwave flow injection analysis

      ANALYTICAL LETTERS
    89. Yan, XP; Hendry, NJ; Kerrich, R
      Speciation of dissolved iron(III) and iron(II) in water by on-line coupling of flow injection separation and preconcentration with inductively coupled plasma mass spectrometry

      ANALYTICAL CHEMISTRY
    90. Lin, JM; Yamada, M
      Chemiluminescent reaction of fluorescent organic compounds with KHSO5 using cobalt(II) as catalyst and its first application to molecular imprinting

      ANALYTICAL CHEMISTRY
    91. Szurdoki, F; Ren, DH; Walt, DR
      A combinatorial approach to discover new chelators for optical metal ion sensing

      ANALYTICAL CHEMISTRY
    92. Wang, JH; Hansen, EH
      Coupling on-line preconcentration by ion-exchange with ETAAS. A novel flowinjection approach based on the use of a renewable microcolumn as demonstrated for the determination of nickel in environmental and biological samples

      ANALYTICA CHIMICA ACTA
    93. Afkhami, A; Afshar-E-Asl, A
      Kinetic-spectophotometric determination of hydrazine by the inhibition of the bromate-hydrochloric acid reaction

      ANALYTICA CHIMICA ACTA
    94. Polkowska-Motrenko, H; Danko, B; Dybczynski, R; Koster-Ammerlaan, A; Bode, P
      Effect of acid digestion method on cobalt determination in plant materials

      ANALYTICA CHIMICA ACTA
    95. Miro, M; Cladera, A; Estela, JM; Cerda, V
      Sequential injection spectrophotometric analysis of nitrite in natural waters using an on-line solid-phase extraction and preconcentration method

      ANALYST
    96. Fritz, JS; Macka, M
      Solid-phase trapping of solutes for further chromatographic or electrophoretic analysis

      JOURNAL OF CHROMATOGRAPHY A
    97. Huang, Y; Mou, S; Riviello, JM
      Determination of ammonium in seawater by column-switching ion chromatography

      JOURNAL OF CHROMATOGRAPHY A
    98. Ensafi, AA; Chamjangali, MA
      Kinetic-catalytic determination of iodide using the gallocyanine hydrogen peroxide redox reaction

      CANADIAN JOURNAL OF ANALYTICAL SCIENCES AND SPECTROSCOPY
    99. Korolczuk, M
      Voltammetric determination of Cr(VI) in natural water in the presence of bipyridine following its deposition to the metallic state

      ELECTROANALYSIS
    100. Jo, GB; Won, MS; Shim, YB
      Amperometric determination of calcium ion with an alizarin/Nafion modifiedelectrode

      ELECTROANALYSIS


ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/01/21 alle ore 18:01:27