TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 439 : 1978 : Specification for food additives-colouring matters-ponceau 4R PY - 1978/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a664.099.62:668.81 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2623 ER -