{% if data|length > 0 %}
    <table class="table table-striped element-list">
        <thead><tr>
            <th>Element</th>
            <th>Quantity</th>
            {% if purity %}
               <th>Purity</th>
            {% endif %}
            {% if error %}
               <th>Error</th>
            {% endif %}
        </tr></thead>
        <tbody>
            {% for item in data %}
                <tr>
                    <td>{{ item.name }}</td>
                    <td>{{ item.quantity }}</td>
                    {% if purity %}
                       <td>{{ item.purity }}</td>
                    {% endif %}
                    {% if error %}
                       <td>{{ item.error }}</td>
                    {% endif %}
                </tr>
            {% endfor %}
        </tbody>
    </table>
{% endif %}