BS 4427 : Pt. 4 : 1969 : Methods of test for sodium tripolyphosphate and sodium pyrophosphate : determination of loss on ignition
- London BRITISH STANDARDS INSTITUTION 1969
- 5p.
STD1582
BS 4427 : Pt. 4 : 1969
661.635:543.226 /
STD1582
BS 4427 : Pt. 4 : 1969
661.635:543.226 /