1976年 6月부터 10月사이에 慶南 忠武 一圓에서 比較的 利用度가 높고 生産量이 많은 海藻類 16種을 採集하여 重金屬을 中心으로 한 無機成分을 分析하여 다음과 같은 結果를 얻었다.
1) 一般的으로 綠藻類에는 철, 니켈 등의 含量이 높은 반면 褐藻類에는 납, 니켈 및 망간 등이 낮은 含量을 보였으며 카드뭄, 구리, 니켈 및 마그네슘등에서도 몇 가지 海藻類가 特別한 含量差異를 나타내었다.
2) 카드뭄含量은 綠藻類 0.58~1.04ppm(平均 : 0.85ppm), 褐藻類 0.32~2.10pp (平均 : 1.08ppm), 紅藻類 0.54~1.70ppm (平均 : 1.04ppm) 이었는데 김, 미역, 다시마 등은 0.3.~0.3 ppm의 分布로써 예상외로 낮은 含量을 나타내었다.
3) 납의 含量은 綠藻類 0.67~1.40ppm(平均 : 1.03 ppm), 褐藻類 0.60~1.00 ppm(平均 : 0.82ppm), 紅藻類 0.56~2.40 ppm(平均 : 1.28ppm)으로써 魚貝類에 比해서 상당히 낮은 含量이었다.
4) 구리의 含量은 綠藻類 10.8~24.2ppm (平均 : 18.95ppm), 褐藻類 7.4~24.6ppm (平均 : 18.16ppm), 紅藻類 6.4~31.2ppm (平均 : 19.94ppm)의 分布이었는데 몇 種의 海藻를 除外하고는 全般的으로 높은 含量을 보이고 있다.
5) 철의 含量은 綠藻類 686.4~1,159.0ppm(平均 : 916.5ppm), 褐藻類 131.0~499.2ppm (平均 : 310.16ppm), 紅藻類 156.0~530.4ppm(平均 : 248.2ppm)으로써 綠藻類는 다른 海藻類에 比하여 特히 높은 값을 나타내었다.
6) 망간의 含量은 綠藻類 48~221ppm (平均 : 157.25ppm), 褐藻類 12~65 ppm (平均 : 41ppm), 紅藻類 72~162 ppm (平均 : 121 ppm)의 分布로써 褐藻類는 特히 낮은 含量을 나타내었다.
7) 아연의 含量은 綠藻類 191.3~451.1ppm(平均 : 290.05ppm), 褐藻類 89.9~374.2ppm(平均 : 202.64ppm), 紅藻類 106.4~281.4ppm(平均 : 188.93ppm)이었다.
8) 마그네슘含量은 綠藻類 0.48~1.83% (平均 : 1.27%), 褐藻類 1.04~1.71%(平均 : 1.21%), 紅藻類 0.42~1.24%(平均 : 0.97%)이었다.
9) 불소는 海藻類中에 特히 많이 含有되어 있어서 綠藻類 29.2~92.7ppm(平均 : 53.03ppm), 褐藻類 33.3~43.5ppm(平均 : 39.18ppm), 紅藻類 32.4~59.0ppm(平均 : 44.84ppm) 이었다.
Sixteen species of algae (4 species of green algae, 5 species of brown algae and 7 species of red algae) were collected from the coast of Chungmu, Gyeongnam, from June to October, 1976. The content of minerals in algae were analyzed by Atometic Absorption Spectrophotometer.
The results were as followed
1) The content of Iron and Nickel in green algae were abundant, and those of Lead, Nickel and Manganese in brown algae were low.
2) The content of Cadmium were in the range of 0.58-1.04ppm (average: 0.85ppm) in green algae, 0.32-2.l0ppm (average: 1.08ppm) in brown algae and 0.54-1.70ppm (average: 1.04ppm) in red algae. The content of Cadmium were in the range of 0.3-0.6ppm in laver, Porphyra tenera, sea mustard, Undaria pinnatifida, and tangle, Laminaria japonica, but its content was lower than those expected.
3) The content of Lead were in the range of 0.67-1.40ppm (average: 1.03ppm) in green algae, 0.60-1.00ppm (average: 0.82ppm) in brown algae, 0.56-2.40ppm (average: 1.28ppm) in red algae and its content in algae were lower than in fish and shellfish.
4) The content of Copper were in the range of 10.8-24.2ppm (average: 18.95ppm) in green algae, 7.4-24.6ppm (average: 18.16ppm) in brown algae, 6.4-31.2ppm (average: 19.94ppm) in red algae and those content were considerably abundant except for some algae.
5) The content of Nickel were in the range of 5.4-16.6ppm (average: 9.1ppm) in green algae, l.0-4.4ppm (average: 2.32ppm) in brown algae and 0.7-4.6ppm (average: 2.59ppm) in red algae.
6) The content of Iron were in the range of 686.4-1159.0ppm (average: 916.5ppm) in green algae, 131.0-499.2ppm (average: 310.16ppm) in brown algae and 156.0-530.4ppm (average: 248.2ppm) in red algae. Especially, that of Iron in green algae showed higher value than in any other.
7) The content of Manganese were in the range of 48-221ppm (average: 157.25ppm) in green algae, 12-65ppm (average: 41ppm) in brown algae and 72-162ppm (average: 121ppm) in red algae. Especially, that of Manganese in brown algae showed lower value than in any other.
8) The content of Zinc were in the range of 191.3-451.1ppm (average: 290.05ppm) in green algae, 89.9-374.2ppm (average: 202.64ppm) in brown algae and 106.4-281.4ppm (average: 188.93ppm) in red algae.
9) The content of Magnesium were in the range of 0.48-1.83% (average: 1.27%) in green algae, 1.04-1.71% (average: 1.21%) in brown algae and 0.42-1.24% (average: 0.097%) in red algae.
10) The content of Fluorine were in the range of 29.2-92.7ppm (average: 53.03ppm) in green algae, 33.3-43.5ppm (average: 39.18ppm) in brown algae and 32.4-59.0ppm (average: 44.84ppm)
in red algae.