Specification for seedlac

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-1960

Publisher

British Standards Institution

Cooperating organizations
Foreword
Specification
Mandatory clauses
1. Scope
2. Description
3. Sample
4. Volatile matter
5. Matter insoluble in hot alcohol
6. Expression of analytical results
Optional clauses
7. Colour index
8. Matter soluble in water
9. Non-volatile matter soluble in cold alcohol
10. Wax

Appendices
A. Sampling
B. Method for the determination of volatile matter
C. Method for the determination of matter insoluble
    in hot alcohol
D. Method for the determination of colour index
E. Method for the determination of non-volatile matter
    soluble in cold alcohol
F. Method for the determination of matter soluble in
    water
G. Method for the determination of wax

Six grades. Description, sample, volatile matter, matter insoluble in hot alcohol, expressing analytical results. Optional clauses: colour index, matter soluble in water, non-volatile matter soluble in cold alcohol, wax.

This British Standard specifies requirements for seedlac, the product obtained by washing crushed sticklac, the natural product of the lac insect (Laccifer lacca). Unless otherwise agreed between purchaser and vendor, the seedlac shall be of Indian origin and shall be of the crop implied by the grade name employed.

Six grades are specified, as follows:

Golden Kusmi

Kusmi No. 1

Kusmi No. 2

Golden Bysacki

Fine Bysacki

Ordinary Bysacki

Committee	STI/10
DevelopmentNote	Supersedes BS 954(1941) (07/2005) Reviewed and confirmed by BSI, February 2011. (01/2011)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 954:1941 BS 954(1941) : LATEST

Standards	Relationship
ISO 55:1977	Similar to

BS 410:1962	Specification for test sieves
BS 1957:1953	Presentation of numerical values (fineness of expression; rounding of numbers)

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BS 3279:1960

Specification for seedlac

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory