Specification for photographic grade 1-phenyl-3-pyrazolidinone (phenidone) / 
British Standards Institution 
 - 6 leaves :  illustrations ;  30 cm. 
 - British standard ;  BS 3230 : 1978 .
 - British standard ;  BS 3320 : 1978 .
<br/><br/><label>ISBN: </label>0580100375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photographic materials.<br/>Insoluble matter determination.<br/>Volumetric analysis.