Republic of Ecuador ≠ EDICT OF GOVERNMENT ± In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. NTE INEN 1879 (1992) (Spanish): Acido sulfúrico para uso industrial. Determinación del residuo por calcinación (método gravimétrico)