Actinium-227 has a long half-life and emits alpha particles. How can this property be harnessed in radiation detectors or other monitoring devices?

652

what is stero electronic factor.2 what is steric control factor and what is product control factor

2131

hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

2128

FDA MHRA

2597

Can we consider in purity angel

1833

I need organic mixture analysis viva questions & answers

6277

Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde

1741

how much time require for day to prepare the ongc exam for evarage student?

3035

how we change 0.1N KmNo4 solution to 0.01N KmNo4 solution.

2033

chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?

2027

How does Protactinium contribute to our understanding of Earth's history and the behavior of elements in natural systems?

603

Discuss the historical significance of Actinium and its discovery in the context of the periodic table.

702

In order to avoid the pyridine catalyst use in many synthesis which is harmfull to environment, which catalyst can be used....?

2401

Why do we use vaccum in Loss on drying test?

1680

What is the composition of Barford Reagent?

2129