NEUTRAL RED INDICATOR 60% AR (C.I.NO.50040)

<table style=”border-width:2px;border-style:outset;”>

<tbody>
<tr “=””>
<td>Description</td>
<td colspan=”3″> Dark green powder</td>

</tr>

<tr “=””>
<td>Dye content (Spectrophotometry)</td>
<td colspan=”3″> Min 60%</td>

</tr>

<tr “=””>
<td>Transition range (pH 6.8 – 8.0)</td>
<td colspan=”3″> Violet Red – Yellow</td>

</tr>

<tr “=””>
<td>Solubility 0.1% (in 50% EtOH)</td>
<td colspan=”3″> Clear solution</td>

</tr>

<tr “=””>
<td>Absorption Maximum (50 % EtOH + 2 ml Acetic Acid) λmax.</td>
<td colspan=”3″> 539 – 544 nm</td>

</tr>

<tr “=””>
<td>Absorptivity (A1%,1cm in 50% EtOH + 2 ml Acetic acid, at λmax.)</td>
<td colspan=”3″> Min. 900</td>

</tr>

<tr “=””>
<td>Loss on drying (110°C)</td>
<td colspan=”3″> Max. 12.0%</td>

</tr>

<tr “=””>
<td>Solubility in water (% weight)</td>
<td colspan=”3″> Soluble in water</td>

</tr>

</tbody>
</table>