... 99% min. purity. 2.Good quality with excellent service. Sodium Carbonate (Na2CO3)Light Sodium Carbonate StandardGradeGB210-92( type)First gradePremium gradeFirst gradeSalable productResultAlkalinity ... (sodium carbonate): chemical material, used in glass, chemicals, petrochemicals, metallurgy, papermaking, soap, textile, printing, dyeing, food, medicine, film and light industry.Packing ...