เกลือย้อมผ้า 99.9%

Specification   

 

PARAMETERS/UNITSSALES GUARANTEESANALYSIS METHOD
Sodium chloride(NaCl:%) 99.90 ( Dry basis) By difference
Moisture (%) 0.15 Oven Dry
Insoluble matter(%) 0.05 Gravimetric
Calcium (Ca; ppm) 15.00 Titration
Magnesium (Mg;ppm) 1.00 Tritation
Iron (Fe;ppm) 5.00 Spectrophotometry
Sulphate (So4; %) 0.025 Titration
Sodium ferrocyanide 10.00 max Spectrophotometry