曲線を使った散布図  実験
//////

////// 
 <script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(
function () {
var data = google.visualization.arrayToDataTable([
[ '', 'カドミウム'],
[ 450, 0.05],
[ 500, 0.12],
[ 550, 0.35],
[ 600, 0.68],
[ 620, 0.73],
[ 640, 0.50],
[ 650, 0.24],
[ 680, 0.08],
[ 700, 0.02]
]);
var options = { hAxis: {title: '波長(nm)', viewWindow: {min:450, max:700}, // 表示範囲を 450 - 700 gridlines:{color:'transparent'}}, // 補助線を非表示
vAxis: {title: '吸光度'},
legend: 'none', // 凡例を非表示
lineWidth: 1,
curveType: 'function'
};
var chart = new google.visualization.ScatterChart(document.getElementById('gct_sample_scatter_chem')); chart.draw(data, options);
} );
</script>
<div id="gct_sample_scatter" style="width:80%; height:250pt" ></div>
//////