(solution) ¶֧ Ƿط Դҡõ 2 Դѹ ǹСͺ 2 ǹ
            1. Ƿ (solvent) ¶֧ ÷դö 㹡÷õҧ ӻԡաѺù
            2. (solute) ¶֧ ÷١ǷШ͡价㹵Ƿӻԡյ͡ѹ
շ 3 ʶҹ ¢ͧ ¢ͧ
¢ͧ ¶֧ ·յǷʶҹ繢ͧ ͧͧ ҡ кѴ ķ 繵
            ¢ͧ ¶֧ ·յǷʶҹ繢ͧ ҹ ӻ ª Ѵ 繵
¶֧·յǷʶҹ ҡ ا ١ҡ ͹ҡ 繵
ЪԴǷ·ᵡҧѹ 駹ѺѹҧǷеǶ١ ÷ 2 Դ鹨еͧǡѹӻԡյ͡ѹ ҧ

- ӵŷ ռ ع ô ôжѹ 繵Ƿ
- ҧ ʵԡ ѹູԹ繵Ƿ
- չѹ ʵԡ Ť Թ繵Ƿ
- չѹѹʹ繵Ƿ

¢ͧ㹵Ƿ
            öҺЪԴ繵Ƿ 繵 ԸաѧࡵǷе´ѧ
1. ʶҹТͧࡳ ¹Դҡ÷ʶҹеҧѹǡѹ 㴷ʶҹǡѹѺ ù鹨繵Ƿ
            - Сͺ¹繵Ƿ繵
            - Сͺ¹繵Ƿйӵŷ繵
            - ӴҧѺ Сͺ繵ǷдҧѺ繵
            - Ѵ Сͺ¹繵Ƿʤ͹͡䫴繵

 

ٻʴѴ

2. ҳͧЪԴࡳ ¹Դҡ÷ʶҹǡѹǡѹ 㴷ջҳҡ ù鹨繵Ƿ
            - ͧͧ Сͺ·ͧᴧ繵Ƿѧ繵
            - Сͺ¹ԡ繵Ƿ繵
            - ҡ Сͺ·ͧᴧ繵Ƿзͧ繵
            - ķ Сͺ·ͧᴧ繵Ƿдպء繵

 

ٻʴͧշӴ·ͧͧ

鹢ͧ
            鹢ͧ ҳͧ÷繵«

1. (percent) ͡繴ѧ
            1) (w/w) ֧͡Ţͧ· 100 ˹ ¹ 10 ¹ 100 Сͺ¹ӵ 10
            2) »ҵ (v/v) ͡ ֧ҵâͧ· 100 ˹»ҵ ͷҹ 15 »ҵ ͷҹ 100 ١ȡૹ Сͺͷҹ 15 ١ȡૹ
            3) ŵͻҵ (w/v) ֧͡Ţͧ 100 ˹»ҵ ᡧ 100 ١ȡૹ Сͺᡧ 1
2. ǹ㹾ѹǹ (part per thousand ; ppt) ˹·͡Ţͧ·ջҳ ͵Ƿ 1 ѹǹ
3. ǹҹǹ (part per million ; ppm) ˹·͡Ţͧ·ջҳҡ ͵Ƿ 1 ҹǹ (106 ǹ) ҵ˹ջͷ 0.2 ppm ¤ ͻ 1 ҹ ջͷ 0.2
4. ú͡ ´٨ҡҳ 繴ѧ
            1) ·ջҳ ҡ ºѺǷ
            2) ͨҧ ·ջҳ ¹ ºѺǷ
ҧҤ鹢ͧ
ҧ 1 δʹ䫴 (NaOH) 20 Өջҵ 200 ١ȡૹ ¹»ҵ
Ըշ 200 ١ȡૹ NaOH 2
100 ١ȡૹ NaOH (2x100)/200 = 1
(ͧºѺ 100 Тͧ)
ѧ NaOH 1 ŵͻҵ

ҧ 2 ͷҹ 20 ١ȡૹ 15 ١ȡૹ »ҵ
Ըշ 35 ١ȡૹ ͷҹ 20 ١ȡૹ
100 ١ȡૹ ͷҹ (20x100)/300 = 57.14 ١ȡૹ
ѧ ͷҹ 57.14

            㹡¹鹨еͧҳͧǷеʹͧѺҳͧ·ͧ

ҧ

            + ùúطҷ ¨عշդ 7 100 ١ȡૹ
Ըա Өع 7 ŧ㹺ա좹Ҵ 200 ١ȡૹ ӡ 100 ١ȡૹ Ǥع¨
            + ù·ҷͨҧ ¨عշդ 5 100 ١ȡૹ ҡ¨عշդ 10 100 ١ȡૹ
Ըա ¨عշդ 10 100 ١ȡૹ ŧ㹺ա좹Ҵ 200 ١ȡૹ ӡ 100 ١ȡૹ ¨عշդ 10 200 ١ȡૹ 5 100 ١ȡૹ
            + ÷·դ˹㹾ѹǹ (part per thousand ppt)
Ըա

            1. ·դ 10 100 ١ȡૹ 㹺ա㺷 1
            2. Ӻա좹Ҵ 100 ١ȡૹա 3 9 ١ȡૹ
            3. 㹢 1 1 ١ȡૹ ŧ㹺ա㺷 2 Ǥҡѹ
            4. 㹢 3 1 ١ȡૹ ŧ㹺ա㺷 3 Ǥҡѹ
            5. 㹢 4 1 ١ȡૹ ŧ㹺ա㺷             4Ǥҡѹ·դ˹㹾ѹǹ ͧ

㹡¡ùӵǷеѹ Ҩо˵ءóѧٻ

            ҡٻ ¹ӵŻСͺ¹繵Ƿйӵ繵 Ҥ ӵŤ 1 ҹӵŨ ӵ㹤ش¹ӵŨ
ӵѧա͵Ƿöµա
÷ӵöµա͵Ƿöµա
ͨҧ ԴҡǡѹҧǷе ѵǹͧǷе¨ҡѹԴТͧôѧ
            1. ·ջҳͧҡ
            2. ͨҧ ·ջҳͧ
ҧºº鹢ͧ
            - ¹ A Сͺ¹ 90 ١ȡૹ 10
            - ¹ B Сͺ¹ 80 ١ȡૹ 20
            - ¹ C Сͺ¹ 70 ١ȡૹ 30
            ҡҧ¹ C դҡ¹ A B ¹ B դҡ¹ A