Specifications :

• Assay (complexometric) : 99.5 – 103.0 %
• Identity : passes test
• Appearance of solution : passes test
• Insoluble matter : ≤ 0.01 %
• pH-value (5 %; water, 25 °C) : 4.4 – 5.6
• Chloride (Cl) : ≤ 0.0005 %
• Total nitrogen (N) : ≤ 0.0005 %
• Nitrate (NO₃) : ≤ 0.002 %
• As (Arsenic) : ≤ 0.00005 %
• Ca (Calcium) : ≤ 0.001 %