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Bomb suspect's claim 'impossible' Bomb suspect's claim 'impossible'
(about 2 hours later)
A claim by an alleged 21 July bomber that he diluted hydrogen peroxide with tap water has been dismissed in court by an isotope and biochemistry expert.A claim by an alleged 21 July bomber that he diluted hydrogen peroxide with tap water has been dismissed in court by an isotope and biochemistry expert.
Woolwich Crown Court had earlier heard that Muktar Ibrahim, 29, strengthened the hydrogen peroxide at a north London flat before he "watered it down".Woolwich Crown Court had earlier heard that Muktar Ibrahim, 29, strengthened the hydrogen peroxide at a north London flat before he "watered it down".
Expert Stuart Black said the chemical makeup of London tap water and the chemical made this "impossible".Expert Stuart Black said the chemical makeup of London tap water and the chemical made this "impossible".
Mr Ibrahim and five others deny conspiracy to murder. Mr Ibrahim and five others deny conspiracy to murder in London in 2005.
They are accused of plotting to bomb London's transport network on 21 July 2005.They are accused of plotting to bomb London's transport network on 21 July 2005.
Mr Ibrahim, from Stoke Newington, north London, is accused of trying to detonate a rucksack bomb on a bus.Mr Ibrahim, from Stoke Newington, north London, is accused of trying to detonate a rucksack bomb on a bus.
Mr Black told the court he had exampled samples of charge residue found at the four alleged plot scenes - Warren Street, Shepherd's Bush, Oval and the number 26 bus.Mr Black told the court he had exampled samples of charge residue found at the four alleged plot scenes - Warren Street, Shepherd's Bush, Oval and the number 26 bus.
He had also examined residue found at the Curtis House flat in New Southgate as well as in bins outside.He had also examined residue found at the Curtis House flat in New Southgate as well as in bins outside.
All the residues were of flour and hydrogen peroxide mixtures, he added.All the residues were of flour and hydrogen peroxide mixtures, he added.
The jury was also shown pans with the residue still on them.The jury was also shown pans with the residue still on them.
This all suggested all the devices used were prepared at Curtis House, Mr Black added.This all suggested all the devices used were prepared at Curtis House, Mr Black added.
Manfo Asiedu, Hussein Osman, Ramzi Mohammed and Adel Yahya are also accused of taking part in the plot.Manfo Asiedu, Hussein Osman, Ramzi Mohammed and Adel Yahya are also accused of taking part in the plot.
The trial was adjourned until Thursday.The trial was adjourned until Thursday.