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NF B49-412
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of aluminium
Edition
1968-01-01
NF B49-413
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of iron
Edition
1968-01-01
NF B49-414
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of titanium
Edition
1968-01-01
NF B49-415
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of manganese
Edition
1968-01-01
NF B49-416
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of phosphorus
Edition
1969-02-01
NF B49-417
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of calcium and magnesium
Edition
1968-01-01
NF B49-418
Chemical analysis of refractory materials (high). Silica materials, siliceous fireclay and fireclay materials. Determination of lithium, potassium and sodium (flame photometric method)
Edition
1970-02-01
NF B49-419
Chemical analysis of refractories. Argillaceous and silico-argillaceous materials. Determination of silicon (method by insolubilisation in perchloric acid medium)
Edition
1968-01-01
NF B49-420
Chemical analysis of refractories. Silica materials. Determination of silicon (rapid method by hydrofluoric volatilisation)
Edition
1970-02-01
NF B51-001
Timber. Technical and chemical characteristics of timber
Edition
1941-08-01