Complexometric Indicators

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Ammonium purpurate :

Physical properties :Physical properties :

Physical state at 20° C - SolidPhysical state at 20° C - Solid

Colour – Red powderColour – Red powder

Melting point – >300 ° CMelting point – >300 ° C

Odour – Odourless Odour – Odourless

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Bromopyrogallol Red :

Physical properties :Physical properties :

Physical state at 20° C - SolidPhysical state at 20° C - Solid

Colour – Reddish brownColour – Reddish brown

Vapour Density – 19.2Vapour Density – 19.2

Melting point - 300 °Melting point - 300 °

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Calceine Indicator :

Physical properties :Physical properties :

Physical state at 20° C - SolidPhysical state at 20° C - Solid

Colour – Brown OrangeColour – Brown Orange

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