PORTA, Valerio
 Distribuzione geografica
Continente #
NA - Nord America 556
EU - Europa 430
AS - Asia 163
Totale 1.149
Nazione #
US - Stati Uniti d'America 550
DE - Germania 128
CN - Cina 86
SE - Svezia 80
FR - Francia 59
IE - Irlanda 51
RU - Federazione Russa 42
SG - Singapore 39
KR - Corea 34
FI - Finlandia 32
UA - Ucraina 16
PL - Polonia 12
IT - Italia 6
CA - Canada 5
VN - Vietnam 4
BE - Belgio 2
GB - Regno Unito 1
HU - Ungheria 1
MX - Messico 1
Totale 1.149
Città #
Chandler 135
Beijing 73
Santa Clara 61
Dublin 51
Villeurbanne 39
Princeton 32
Singapore 31
Medford 25
West Jordan 25
Dearborn 18
Nyköping 18
Columbus 16
Jacksonville 12
Warsaw 12
Wilmington 12
Düsseldorf 9
Ashburn 8
Kharkiv 8
Ann Arbor 7
Boardman 4
Kunming 4
Toronto 3
Brussels 2
Concord 2
Dong Ket 2
Falls Church 2
Nanchang 2
Norwalk 2
Suseong-gu 2
Verona 2
Woodbridge 2
Budapest 1
Carignano 1
Fremont 1
Fuzhou 1
Halifax 1
Hefei 1
Houston 1
Jinan 1
Joliette 1
Juarez 1
Lambersart 1
Milan 1
Nanjing 1
Nürnberg 1
Redmond 1
San Mateo 1
Shaoxing 1
Tappahannock 1
Totale 639
Nome #
Chromatographic behaviour of homologous amines: comparison of derivatizing agents, columns and mobile phases 96
Apparecchiatura per l’analisi e la purificazione di prodotti chimici 91
The determination of As and Se by ICP plasma atomic emission spectroscopy at ppb level. A reductive precipitation/hydride generation procedure 82
Study of different solid sorbents in the immobilization of 8-hydroxy-quinoline units for the uptake of copper metal traces 81
Determination of trace element impurities in barium hydroxide with spectroscopic, electrochemical and chromatographic techniques 80
Metal trace determination in seawater samples from Antarctica - II 77
Reversed-phase ion-interaction chromatography of metal ions by EDTA precomplexation 75
Determination of ultra-trace levels of metal ions in sea-water with on-line preconcentration and electrothermal atomic absorption spectrometry 75
Matrix interference removal for bismuth determination in complex samples by ICP AES Hydride generation and its application to solid wastes 72
Trace metal determination in Antarctic seawater 70
Speciation of iron in Antarctic lake water by adsorptive cathodic stripping voltammetry 70
Simultaneous stopped-flow kinetic determination of gallium and indium by a ligand substitution reaction 68
On-line preconcentration system for inductively coupled plasma atomic emission spectrometry with quinolin-8-ol and Amberlite XAD-2 resin 66
Immobilized 8-Oxine units on different solid sorbents for the uptake of metal traces 66
Preconcentration and inductively coupled plasma atomic emission spectrometric determination of metal ions with on-line chelating ion-exchange 65
Simultaneous ion chromatographic determination of selenium and metal ions in waters at trace level 60
Totale 1.194
Categoria #
all - tutte 3.680
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 3.680


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/202049 0 0 0 0 0 18 16 3 1 9 2 0
2020/202151 7 17 0 0 0 4 3 0 3 10 2 5
2021/2022207 0 1 1 14 13 4 17 21 1 27 72 36
2022/2023288 47 44 9 21 33 61 14 21 22 2 11 3
2023/202493 6 21 5 6 4 7 1 0 0 26 4 13
2024/2025124 0 25 3 21 74 1 0 0 0 0 0 0
Totale 1.194