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CHEMICAL FACT

A number of cases of food and beverage poisoning have
recently occurred in Indonesia. One case that is widely discussed by
the community is the case of four children who were poisoned after

eating grilled cassava. Quoted from detiknews.com this happened
because the four children ate cassava which turned out to contain
cyanide acid with a high concentration. Often people consume types
of cassava with high HCN levels and improper processing so that

HCN levels in cassava still exceed safe levels that can be consumed
by humans.

Figure 21. Singkong
Sumber: Wikipedia.com
nb: silahkan klik gambar untuk memperbesar gambar

Cyanide acid is a poison that causes the body to lack oxygen

in tissues. Cyanide acids are a group of compounds containing
cyano groups that occur in nature in different forms. Cyanide acid in
the form of hydrogen cyanide (HCN) can cause very rapid death if

inhaled in certain concentrations. Cyanide acid can dissolve in water,
so to remove toxins from HCN the easiest way is to soak it in water at
a certain time. The ionization reaction on cyanide acid in water is as
follows:

Bahasa Inggris Kimia (PKIM3139) 37