detecting of hemoglobin
Criminalists mix the luminol (C8H7O3N3) powder with a liquid containing hydrogen peroxide
(H2O2), a hydroxide (OH-) and other chemicals, and pour the liquid into a spray bottle. The
hydrogen peroxide and the luminol are actually the principal players in the chemical reaction,
but in order to produce a strong glow, they need a catalys
In synthetic luminol process we need luminol’s precursor. That is
5- nitrophthalhydrazide. It is synthesized by the reaction of 3-nitrophthalic acid
with hydrazine. This process is condensation reaction. First, hydrazine(N2H4) is
heated with the 3-nitrophthalic acid. This reaction is most conveniently carried
out in the high-boiling solvent triethylene glycol. To boil off excess water, t
1, Fan culture of idol singers
1) Overall fan culture of idol singer in Korea
Korean idol culture is shorter than Japanese idol culture. In Japan, idol singer existed in 1960s, so idol fandom and fan culture of idol are set in Japan. But in Korea, H.O.T. who is made by SM Entertainment in 1990s is representative idol singer. They had got a lot of popularity from teenagers and contributed g
• Rise and Fall of Ssangyong
Ssangyong Motor is great progress since the 1970's. SsangYong Motor Company has increased the capital of 15 billion won in 1980. Ssangyong Motor Co. also merged Geohwa and expanded the factory at Pyeongtaek in1985.
In 1991 it started a technology partnership with Daimler-Benz. In 1987, it acquired United Kingdom-based specialty car maker Panther West winds. Ss
2.2. Structure
There is the common type of organization among Korea’s big companies called ‘chaebol’ which are cross-shareholding to influence subsidiaries. Cross-shareholding means more than 3 subsidiaries finance each other and increase the capital. Samsung also finance in this way. But not recommended, because it induces unhealthy relationship between companies, which one poor subsidiar