Steel. Determination of nitrogen content. Spectrophotometric method has-digital The equipment is designed to

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Steel. Determination of nitrogen content. Spectrophotometric method has-digital The equipment is designed toBS EN ISO 4945: 2009 Steel. Determination of nitrogen content. Spectrophotometric method BS EN ISO 4945 specifies a spectrophotometric method for the determination of the nitrogen content of non alloy and low alloy steels. This method allows the determination only of the nitrogen content which tan be converted to an ammonium salt. Contents of BS EN ISO 4945: Scope Field of application Reference Principle Reagents Apparatus Sampling Expression of