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>ISO 10349-4:1992 - Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition
sklademVydáno: 1992-12-30
ISO 10349-4:1992 - Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition

ISO 10349-4:1992

ISO 10349-4:1992 - Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition

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Označení normy:ISO 10349-4:1992
Vydání:1
Vydáno:1992-12-30
Počet stran (Anglicky):2
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ISO 10349-4:1992

The method is based on weighing a test portion and placing it in prepared ignition crucible, heating the crucible over a low flame to drive off any volatile matter, incineration in a furnace, cooling to room temperature in a desiccator, and reweighing.