|
Appearance (Color)
|
Pink
|
|
Appearance (Form)
|
Crystals
|
|
Assay (Titration ex Chloride)
|
98 - 101%
|
|
pH (5% solution; 25°C)
|
3.5 – 6.0
|
|
Total metallic impurities
|
=<1%
|
|
Heavy metals (as Pb)
|
=<10 ppm
|
|
Zinc (Zn)
|
=<100 ppm
|
|
Iron (Fe)
|
=<100 ppm
|
|
Calcium (Ca)
|
=<100 ppm
|
|
Magnesium (Mg)
|
=<100 ppm
|
|
Potassium (K)
|
=<100 ppm
|
|
Sodium (Na)
|
=<100 ppm
|
|
Sulphate (SO4)
|
=<0.2%
|
|
Insoluble matter
|
0.005% max
|