BS 1284:1960 - Specification for bleached lac

BS 1284:1960

Specification for bleached lac

Status : Superseded, Withdrawn   Published : October 1960 Replaced By : BS 7897-3:1997, ISO 57:1975

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Three conditions of volatile content. Each condition may exist in two grades differing in matter insoluble in hot alcohol, matter soluble in water, ash and wax. Definition, appearance and colour, sample, copals, rosin, free chlorine and method of expressing analytical results. Optional clauses cover colour index, non-volatile matter soluble in cold alcohol, acid value, free mineral acid, total chlorine, arsenic, lead.




Standard NumberBS 1284:1960
TitleSpecification for bleached lac
StatusSuperseded, Withdrawn
Publication Date31 October 1960
Confirm Date15 August 1992
Withdrawn Date15 August 1997
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 7897-3:1997, ISO 57:1975
Amended ByAMD 6368
Draft Superseded By90/56486 DCA(PVC)3700
DescriptorsLac, Bleaching, Resins (natural), Coatings, Varnishes, Lacquers, Volatile matter determination, Insoluble matter determination, Aqueous extraction methods, Ash determination, Determination of content, Waxes, Sampling methods, Specimen preparation, Testing conditions, Test equipment, Design, Dimensions, Rosin, Chlorine, Colour tests, Solvent extraction methods, Acid number, Chemical analysis and testing, Acids, Arsenic, Lead
ICS87.040
Title in FrenchGomme laque decoloree. Specification
Title in GermanGebleichter Rohschellack. Spezifikation
CommitteeSTI/10
PublisherBSI
FormatA4
DeliveryNo
Pages32
File Size3.341 MB
Price£182.00


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