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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F06%3A00004153%21RIV08-GA0-25310___
rdf:type
skos:Concept n11:Vysledek
dcterms:description
Analýza sulfonovaných barviv založených na diaminobifenylu s využitím hmotnostní spektrometrie The title dyes, a group of new homo-bireactive disazo reactive dyes having molecular masses of 10001400 Da, were developed because of their potential use as low salt, easy wash-off colorants for cotton. Following dye synthesis from diaminobiphenyls with and without substituents in the 2,2'-positions, negative-ion electrospray ionisation mass spectrometry (ESI-MS) was used to characterise the dyes, The MS obtained were characterised by signals arising from [M - xH](x-) ions plus fragment ions produced by cleavage at C-N bonds adjacent to the azo linkage. In addition, better results were produced when J-acid was the coupler employed rather than H-acid. The characteristic fragmentation behaviour of the studied dyes is discussed and illustrated on selected example. The title dyes, a group of new homo-bireactive disazo reactive dyes having molecular masses of 10001400 Da, were developed because of their potential use as low salt, easy wash-off colorants for cotton. Following dye synthesis from diaminobiphenyls with and without substituents in the 2,2'-positions, negative-ion electrospray ionisation mass spectrometry (ESI-MS) was used to characterise the dyes, The MS obtained were characterised by signals arising from [M - xH](x-) ions plus fragment ions produced by cleavage at C-N bonds adjacent to the azo linkage. In addition, better results were produced when J-acid was the coupler employed rather than H-acid. The characteristic fragmentation behaviour of the studied dyes is discussed and illustrated on selected example.
dcterms:title
Mass Spectrometric Analysis of Sulphonated Dyes based on Diaminobiphenyls Mass Spectrometric Analysis of Sulphonated Dyes based on Diaminobiphenyls Analýza sulfonovaných barviv založených na diaminobifenylu s využitím hmotnostní spektrometrie
skos:prefLabel
Analýza sulfonovaných barviv založených na diaminobifenylu s využitím hmotnostní spektrometrie Mass Spectrometric Analysis of Sulphonated Dyes based on Diaminobiphenyls Mass Spectrometric Analysis of Sulphonated Dyes based on Diaminobiphenyls
skos:notation
RIV/00216275:25310/06:00004153!RIV08-GA0-25310___
n4:strany
22-26
n4:aktivita
n13:P
n4:aktivity
P(GP203/04/P126)
n4:cisloPeriodika
1
n4:dodaniDat
n7:2008
n4:domaciTvurceVysledku
n18:4329082
n4:druhVysledku
n15:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
484269
n4:idVysledku
RIV/00216275:25310/06:00004153
n4:jazykVysledku
n10:eng
n4:klicovaSlova
mass spectrometry; dyes; diaminobiphenyl
n4:klicoveSlovo
n6:diaminobiphenyl n6:dyes n6:mass%20spectrometry
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[861F535A385C]
n4:nazevZdroje
Coloration Technology
n4:obor
n8:CB
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
4
n4:projekt
n9:GP203%2F04%2FP126
n4:rokUplatneniVysledku
n7:2006
n4:svazekPeriodika
122
n4:tvurceVysledku
Volná, Kateřina Holčapek, Michal Freeman, H. Suwanruji, P.
s:issn
1472-3581
s:numberOfPages
5
n16:organizacniJednotka
25310