COA: Purity: 95.23% NaOH: 0.30% Na2CO3: 0.50% NaCl: 1.00% NaS: 0.02% Moisture: 2.18% Packing: In 40 kgs or 1000kgs /bag Payment Term: T/T in advance Delivery: Three weeks after receiving your pament Looking forward to cooperating with you for mutual success! Best regards