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Showing items 148301 through 148310 of 167270.
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ISO 1594:1977
Urea for industrial use — Determination of ashiso (not verified)
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ISO 1983:1977
Nitric acid for industrial use — Determination of sulphated ash — Gravimetric methodiso (not verified)
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ISO 1980:1977
Nitric acid for industrial use — Determination of total acidity — Titrimetric methodiso (not verified)
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ISO 1981:1977
Nitric acid for industrial use — Determination of nitrous compounds — Titrimetric methodiso (not verified)
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ISO 910:1977
Sulphuric acid and oleum for industrial use — Determination of total acidity, and calculation of free sulphur trioxide content of oleum — Titrimetric methodiso (not verified)
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ISO 911:1977
Sulphuric acid for industrial use — Evaluation of sulphuric acid concentration by measurement of densityiso (not verified)
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ISO 913:1977
Sulphuric acid and oleum for industrial use — Determination of ash — Gravimetric methodiso (not verified)
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ISO 914:1977
Sulphuric acid and oleum for industrial use — Determination of total nitrogen content — Titrimetric method after distillationiso (not verified)
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ISO 894:1977
Surface active agents — Technical sodium primary alkylsulphates — Methods of analysisiso (not verified)
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ISO 895:1977
Surface active agents — Technical sodium secondary alkylsulphates — Methods of analysisiso (not verified)