[Gate-users] Gate/ Polyurethane

[car_pcb at aluno.ird.gov.br]

Dear colleagues, 

I want to define a object of polyurethane
(neck-thyroid phantom ) in gate, it is used nowadays in laboratory ,
please could you help me with some information for I will do and I thank
you. So specifications given by the manufacturer which is attached. 

my
material: polyurethane resin (specifications in Annex). 

 Polyurethane:
density d = 1.03 g / cm3. n = number of elements?

+ El: name ???? N =
??
+ El: name ???? N = ?? .... ??? 

... 

About the elements, i need to
know (chemical symbol, atomic number , The molar mass (g / mol). 

Most
of my problem is in the chemical formula. 

With my regards, 

Carmen P.
Castro Barrientos 

QUALIFIED RADIOACTIVE SOURCES SECURITY EXPERT-IAEA
(CNEN/IRD)  

 Rio de Janeiro
Mobile: (21) 79938497 

  
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