ISO 3391:1976 (R2020)

ISO 3391:1976 (R2020)

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Cryolite, natural and artificial — Determination of calcium content — Flame atomic absorption method

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ISO 3393:1976 (R2025)

ISO 3393:1976 (R2025)

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Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of moisture content — Gravimetric method

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ISO 3428:1976 (R2018)

ISO 3428:1976 (R2018)

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Sodium fluoride for industrial use — Preparation and storage of test samples

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NBN EN 12174:2006

NBN EN 12174:2006

Superseded Historical

Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate

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T20-489 (07/1988)

T20-489 (07/1988)

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Orthophosphates alcalins et alcalino-terreux - Dosage de l'oxyde de phosphore (V) total - Méthode gravimétrique au phosphomolybdate de quinoleine

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NF T20-589 (10/1965)

NF T20-589 (10/1965)

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Analyse chimique de l'urée et du nitrate d'ammonium à usage technique - Mesure du pH

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NF T20-483 (12/1973)

NF T20-483 (12/1973)

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Tripolyphosphate et pyrophosphate de sodium à usage industriel - Dosage du fer - Méthode spectrophotométrique au 2,2'-bipyridyle.

€32.00

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ISO/DIS 10655:2026

ISO/DIS 10655:2026

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Methods for analysis of lithium hexafluorophosphate — Determination of metal ions content by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)

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NF T20-151 (02/1984)

NF T20-151 (02/1984)

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Fluorure de sodium à usage industriel - Méthodes d'essai

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NF T20-161 (03/1984)

NF T20-161 (03/1984)

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Fluorure d'aluminium à usage industriel - Méthodes d'essai

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NF T20-531 (02/1984)

NF T20-531 (02/1984)

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Hexafluorosilicate de sodium à usage industriel - Méthodes d'essai

€78.00

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NF T20-565 (07/1985)

NF T20-565 (07/1985)

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Tétraborates de sodium à usage industriel - Méthodes d'essai

€93.67

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NF T20-564 (07/1985)

NF T20-564 (07/1985)

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Borates de sodium à usage industriel - Méthodes d'essai

€122.67

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NF T20-563 (07/1985)

NF T20-563 (07/1985)

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Perborates de sodium à usage industriel - Méthodes d'essai

€62.33

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ISO 20292:2009 (R2020)

ISO 20292:2009 (R2020)

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Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance

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