เกลือบริสุทธฺิ์ 97.5% เสริมไอโอดีน

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; %) 250.00 Titration
Sodium ferrocyanide(ppm) 10.00max Spectrophotometry
Iodine ( I;ppm ) 20-40 min Iodometric