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BS 7164-21:1990

BS 7164-21:1990

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Chemical tests for raw and vulcanized rubber Determination of nitrogen content

Available format(s)

Hardcopy , PDF

Superseded date

15-06-1996

Language(s)

English

Published date

30-09-1990

Publisher

British Standards Institution

Committees responsible
National foreword
Method
1. Scope
2. Normative references
3. Principle
4. Macro-method
5. Semi-micro method
6. Test report
Figures
1. Assembly of digestion apparatus for the semi-micro
    method
2. Exhaust tube for the semi-micro method
3. Digestion flasks for the semi-micro method
4. Assembly of distillation apparatus for the semi-
    micro method
5. Distillation flask for the semi-micro method
6. Trap for the semi-micro method
7. Condenser jacket for the semi-micro method
8. Drip funnel for the semi-micro method
9. Condenser tube for the semi-micro method

Describes a macro-method and a semi-micro method using variants of the Kjeldahl process.

Committee
PRI/22
DevelopmentNote
Supersedes BS 903-B11&12(1960) and BS 1673-2(1967) (09/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 1656:2014 Identical

DEFSTAN 93-93/1(1994) : INTERIM CARBOXY TERMINATED ACRYLONITRILE/BUTADIENE REACTIVE LIQUID POLYMER TYPE 2, TYPE QX
DEFSTAN 93-89/1(1994) : 1994 ACRYLONITRILE/BUTADIENE/STYRENE LATEX TYPE QX

ISO 124:2014 Latex, rubber — Determination of total solids content
ISO 1796:1982 Rubber, raw Sample preparation
ISO 1795:2017 Rubber, raw natural and raw synthetic — Sampling and further preparative procedures
ISO 123:2001 Rubber latex Sampling

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Hardcopy - English
PDF - English
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