NF A22-409

NF A22-409

December 1986
Standard Cancelled

Manganese ores. Determination of lead content. Gravimetric determination.

Cette norme a pour objet la description d'une méthode de dosage gravimétrique du plomb par précipitation du chromate de plomb dans les minerais de manganèse, applicable à des teneurs en plomb supérieures à 0,10 %.

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Main informations

Collections

National standards and national normative documents

Publication date

December 1986

Number of pages

4 p.

Reference

NF A22-409

ICS Codes

73.060.20   Manganese ores

Classification index

A22-409

Print number

1 - 01/12/1986
Sumary
Manganese ores. Determination of lead content. Gravimetric determination.

Cette norme a pour objet la description d'une méthode de dosage gravimétrique du plomb par précipitation du chromate de plomb dans les minerais de manganèse, applicable à des teneurs en plomb supérieures à 0,10 %.
Replaced standards (2)
NF A06-106
November 1954
Standard Cancelled
Chemical analysis of manganese ores. Gravimetric determination of lead (particular determination).

NF A06-106/AM
January 1958
Published document Cancelled
Chemical analysis of manganese ores. Polarographic determination of lead.

Standard replaced by (2)
NF A06-106
November 1954
Standard Cancelled
Chemical analysis of manganese ores. Gravimetric determination of lead (particular determination).

NF A06-106/AM
January 1958
Published document Cancelled
Chemical analysis of manganese ores. Polarographic determination of lead.

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