Publisher : SN

NS 899:1956 PDF

Symbols for proof-reading

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NS 900:1951 PDF

Skolemateriell — Tegnebøker, -blokker og -ark

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NS 9000:1981 PDF

Chemical products for industrial use — Sampling — Vocabulary

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NS 9001:1981 PDF

Sampling of chemical products for industrial use — Safety in sampling

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NS 9002:1981 PDF

Liquid chemical products for industrial use — Determination of density at 20° C

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NS 9003:1981 PDF

Determination of water — Karl Fischer method (General method)

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NS 9004:1981 PDF

Determination of crystallizing point — General method

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NS 9005:1981 PDF

Liquid chemical products — Measurement of colour in Hazen units (platinum-cobalt scale)

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NS 9006:1981 PDF

Standard layout for a method of chemical analysis by gas chromatography

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NS 9007:1981 PDF

General method for the determination of arsenic — Silver diethyldithiocarbamate photometric method

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