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Transcript of Nuclear Chemistry in Science Education - Forty-Five-Years Experience 2nd Int.Nuclear Chemistry...
![Page 1: Nuclear Chemistry in Science Education - Forty-Five-Years Experience 2nd Int.Nuclear Chemistry Congress, Cancún 2008 Fedor MACÁŠEK Bratislava.](https://reader036.fdocuments.in/reader036/viewer/2022062423/56649c8b5503460f94946050/html5/thumbnails/1.jpg)
Nuclear Chemistry in Science Education Nuclear Chemistry in Science Education - Forty-Five-Years Experience- Forty-Five-Years Experience
2nd Int.Nuclear Chemistry Congress, Cancún 2008
Fedor MACÁFedor MACÁŠŠEKEK
BratislavaBratislava
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Macášek 2nd INCC Cancún 2008 2
My backgroundMy backgroundMoscow State University - physical chemistry and radiochemistry M.S.
1956-1961
Comenius University - nuclear chemistry, separation chemistry
1961-2004
BIONT,a.s. radiopharmaceuticals, quality manager
2005-
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Macášek 2nd INCC Cancún 2008 3
Teacher’sTeacher’s questions questions
• Is nuclear chemistry an ugly child of 20th century chemistry?
• Does nuclear chemistry contribute to the general science knowledge?
• Are nuclear chemistry techniques valuable for present science?
• Does nuclear industry need radiochemists?• Is nuclear chemistry knowledge any use for
public?
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Macášek 2nd INCC Cancún 2008 4
EvilsEvils
Hiroshima
Goiânia
Chernobyl
Tokai Mura
Litvinenko
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Industrial accidents were mostly caused Industrial accidents were mostly caused by human factorby human factor::
the lack ofthe lack of deeper deeper ((if anyif any) ) knowledge knowledge of nuclear phenomena !!!of nuclear phenomena !!!
EvilsEvils
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Even the simple driving a car Even the simple driving a car needs training and a license !needs training and a license !
(and still more than 3000 people die on the world's roads every day !!!)
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Macášek 2nd INCC Cancún 2008 7
What was the contribution of chemists What was the contribution of chemists to (nuclear) science?to (nuclear) science?
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Macášek 2nd INCC Cancún 2008 8
Hall of Fame Hall of Fame
M.Curie-Sklodowska Frederic Soddy Frederic & Irene Joliot-Curie
Harold Urey Liza Meitner & Otto Hahn` Glenn Seaborg
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Macášek 2nd INCC Cancún 2008 9
Hall of Fame Hall of Fame
George Hevesy Vitalyi Khlopin Joseph Starik
Fritz Strassmann Fridrich Paneth Ivo ZváraAlbert Ghiorso
Willard Libby
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Macášek 2nd INCC Cancún 2008 10
What is the position of What is the position of nuclear chemistry within chemistry ?nuclear chemistry within chemistry ?
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Macášek 2nd INCC Cancún 2008 11
Behind the boarder of classical Behind the boarder of classical chemistrychemistry
• accounts for the chemical consequences of proton-neutron composition of atom nucleus
• describes the processes of alteration of chemical elements, and consequently their compounds.
• considers chemical element a priori not as the simplest and stable chemical substance (entity) but as a mixture of isotopes, and a substance which internal energy consists from both electronic and nuclear component
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CurriculaCurricula
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Euro-baccalaureateEuro-baccalaureateNuclear Chemistry INuclear Chemistry I
1. Properties of atomic nuclei.2. Radioactive decay. 3. Natural radioactivity (40K, U, Th, Ra, Rn, 14C).4. Physical, chemical and biological properties of
ionizing radiation. 5. Measurement of radiation.
(Understanding radioactivity and ionizing radiation)
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1. Excitation functions and rate of simple nuclear reactions.
2. Nuclear activation and NAA. Preparation of radionuclides in reactor and on cyclotron.
3. Nucleogenesis, pp-, α,-, s- and r-processes.4. Separation of isotopes. Isotope analysis. 5. Chain fission reaction. Nuclear reactors. Fuel cycle.
Transuranium elements. Nuclear waste processing.6. Isotope exchange. Isotope indicators and labelled
compounds. `
Euro-baccalaureateEuro-baccalaureateNuclear Chemistry IINuclear Chemistry II(Isotope composition of elements and its change)
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SourcesSources
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Macášek 2nd INCC Cancún 2008 16
Textbooks - ClassicsTextbooks - Classics• Sklodowska-Curie 1910
• Soddy 1911
• Hahn 1936
• Hevesy, Paneth 1938
• Wahl, Bonner 1951
• Haissinski 1957
• Kamen 1957
• Friedlander, Kennedy, Miller 1964
• Choppin, Rydberg 1980
• Lieser 1995
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Macášek 2nd INCC Cancún 2008 17
Textbooks - ClassicsTextbooks - ClassicsIn my student time:
Friedlander, Kennedy 1955
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Macášek 2nd INCC Cancún 2008 18
Textbooks - ClassicsTextbooks - Classics
• Choppin, Liljenzin, Rydberg 1980, 1995, 2001
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Macášek 2nd INCC Cancún 2008 19
Textbooks – Textbooks – a newest onea newest one
Loveland, Morrissey, Seaborg 2006
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Macášek 2nd INCC Cancún 2008 20
TextbooksTextbooks
by Professor Walter D. Loveland
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Macášek 2nd INCC Cancún 2008 21
Textbooks - RussiaTextbooks - Russia
• Старик И.Е. Основы радиохимии. Л., Наука, 1969.
• Нефедов В.Д., Текстер Е.Н., Торопова М.А. Радиохимия. М., ВШ, 1987
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Macášek 2nd INCC Cancún 2008 22
Textbooks - CzechoslovakiaTextbooks - Czechoslovakia• Běhounek F., Heyrovský J., 1931
• Majer V., 1942, 1961
• Tölgyessy J., Varga Š., 1976
• Navratil O., Hála J., Kopunec R., Macášek F., Mikulaj V., Lešetický L., 1992
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Macášek 2nd INCC Cancún 2008 23
Slovakia - for teachersSlovakia - for teachers
Nuclear Chemistry for Chemistry Teachers (since 1962!)
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Macášek 2nd INCC Cancún 2008 24
Slovakia - for teachersSlovakia - for teachers
Nuclear Chemistry for Chemistry Teachers (since 1962!)
24 hrs on the 3rd year of study
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PracticePractice
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Break-through into life sciences necessary:
(remember Leo Szilárd: when opposed to the use of all nuclear weapons he devoted himself to studying molecular biology !)
General science progress General science progress
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Radiochemical practiceRadiochemical practice
• Natural radioactivity assay (potassium, radon) ?
• Biochemical cycles ?
• Non-specific DNA labeling ?
Break-through into the life sciences practice is necessary:
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Macášek 2nd INCC Cancún 2008 28
Radiochemical practiceRadiochemical practice
In sixtieths:
A TESLA digital counter BM353a for labs (about $1000)
GM counter for secondary schools
For $10 without power supply!
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Macášek 2nd INCC Cancún 2008 29
Radiochemical practiceRadiochemical practice
• GM-counters
GCK-01 Kit:
Ne + Halogen filled, with a 2mg/cm2 mica end window
Detects
alpha > 3.0 MeV,
beta > 50 KeV,
gamma > 7 KeV.
Needs in a simple equipment for training (purchase in dosens?!):
about $400
www.imagesco.com/geiger/digital-geiger-counter.html
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Macášek 2nd INCC Cancún 2008 30
Radiochemical practiceRadiochemical practice
• Liquid scintillation counters
Needs in a simple equipment for training (purchase in dosens?!):
TriathlerTriathler
for 3H, 14C, 32P, 33P, 35S
optional gamma counting NaI well, preset 125I, 51Cr, 58Co
still $11-13 thousands !
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State-of-the-artState-of-the-art
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Macášek 2nd INCC Cancún 2008 32
1) materials of nuclear purity (uranium, thorium, heavy water, zirconium, graphite etc.)
2) recovery of fission materials (239Pu from uranium and 233U from thorium)
3) materials for fusion reactors (deuterium from water, tritium from lithium)
4) utilization or transmutation of long-lived fission and activation products and transuranium elements
5) reliable fixation of radioactive wastes
Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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All these topics of nuclear energy cycle should be reflected in curricula of all chemistry majors
Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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Teaching challengesTeaching challenges
More attention to progressive applications:
1) radioactive tracers for computer tomography -SPECT and PET (radiopharmaceuticals)
2) radioactive tracers for biochemical and physiological processes, especially for pharmacodynamics and toxicology
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
1971
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
1990
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„Status of Nuclear Science Education and Teaching“
Teaching chemistry in nuclear era Teaching chemistry in nuclear era
1992
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
2003
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Many large universities lost their leadership in nuclear science education, and in large extent their position was replaced by effort of research institutions, nuclear societies, and web learning.
Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
since 2000 3 of 22 without response (?)
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
2008: none
(Michigan State University)
2008: none
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
a very passive approach !
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Teaching chemistry in nuclear era Teaching chemistry in nuclear era
an active approach !
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Non-science majorNon-science major
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Science MajorScience Major
CERNCERN
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Science MajorScience Major
OrsayOrsay
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Hungary - G.Hevesy‘s countryHungary - G.Hevesy‘s country
Budapest University of Technology and Economics
Very progressive and equilibrated curricula of nuclear sciences !
http://www.enen-assoc.org/data/document/ne_hungary.pdf
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Ozersk / Ozersk / Озёрск Озёрск ((Маяк)Маяк)Chemical technology of contemporary energetics materials
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ChallengesChallenges
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Specialists breeding Specialists breeding
Recent nuclear power reactors technology will probably need more:
• specialists on cooling systems and spent fuel storage safety improvements
• specialists on radioactive wastes
• experts on reactors decommisisioning …
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Specialists breeding Specialists breeding UK Report 2003
UK: a gap of 500 graduates per year !
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General science progress General science progress
Nuclear power proliferation badly needs:
• co-operation with molecular biologists in ivestigation of low radiation dosis effects (treshold dose problem)
• co-operation with botanists and microbiologists on new approach to soils decontamination and remediation
• a new approach to internal contamination
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General science progress General science progress
• co-operation with molecular biologists
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Targeted education Targeted education
• Early reproduction of knowledge in new regional university centers
• Call to Worldatom, UNICEF and IAEA for common effort
• Establishment of educational section within the Nuclear Chemistry Society
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Targeted education Targeted education Example: IAEA RCA Project
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Targeted education Targeted education Example: European Nuclear Society
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Role of nuclear chemistry in Role of nuclear chemistry in general educationgeneral education
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„Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.“
M.Sklodowska-Curie
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Nuke in dark colorsNuke in dark colors
These cooling towers are used as an expressive symbolic presentation of nuclear power evil.
There is nothing specifically nuclear about them.
So what? Is ethics unimportant?
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To see atomic energy only as a means of destruction is as trivial and absurd ... like to regard electricity primarily as a source
of energy for the electric chair
Piotr Kapitsa
Nuke in dark colorsNuke in dark colors
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Nuke in bright colorsNuke in bright colors
We ought a lot to our students and children to explain that „nuclear“ is neither a dirty word nor a dirty practice.
High professionalism and art of assertiveness must present.
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One good example from Finland (One good example from Finland (1998)1998)::
http://www.kolumbus.fi/wahls/booklist.htm
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and another one (USA, and another one (USA, 2003)2003)::
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and another one (Russia, and another one (Russia, 2008)2008)::
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HungaryHungaryDr. Csaba Sükösd: “Lately it has been recognised fortunately that it is important to include some basic nuclear knowledge already in secondary education.“
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How can you form goodness, except through love?
How can people be made free, if they are not allowed to live in freedom?
How can they made useful without a scientific knowledge of the forces of nature?
José MartíProspects:the quarterly review of comparative education 24, 1/2, UNESCO: International Bureau of Education, Paris, 1994, p. 107–19
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HungaryHungary
Dr. Csaba Sükösd‘s Story:
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Macášek 2nd INCC Cancún 2008 71Let’s start from the youth...Let’s start from the youth...