เกลือบริสุทธฺิ์ 97.5%

Specification   

 

PARAMETERS/UNITSSALES GUARANTEESANALYSIS METHOD
Sodium chloride(NaCl: %) 97.5 ( Dry basis ) By difference
Moisture (%) 2.5 Oven Dry
Insoluble matter(%) 0.05 Gravimetric
Calcium (Ca; ppm) 15.00 Titration
Magnesium (Mg;ppm) 1.00 Titration
Iron (Fe;ppm) 5.00 Spectrophotometry
Sulphate (So4; %) 0.025 Titration
Potassium ferrocyanide(ppm) 10.00max Spectrophotometry