Item

AR

Assay(NaOH)

>=96.0%

(Na₂CO₃)Carbonate(as Na₂CO₃)

<=1.5%

Clarity of solution

Pass

Chloride(Cl)

<=0.005%

Sulfate(SO₄)

<=0.005%

Total nitrogen(N)

<=0.001%

Phosphate(PO₄)

<=0.001%

Silicate(SiO₃)

<=0.01%

Aluminum(Al)

<=0.002%

Potassium(K)

<=0.05%

Calcium(Ca)

<=0.01%

Iron(Fe)

<=0.001%

(Pb)Heavy metals(as Pb)

<=0.003%