TY  - GEN
ED  - BRITISH STANDARDS INSTITUTION
TI  - BS 4427 : Pt. 3 : 1969 : Methods of test for sodium tripolyphosphate and sodium pyrophosphate : determination of iron content
PY  - 1969///
CY  - London
PB  - BRITISH STANDARDS INSTITUTION
N1  - STD1583
ER  -