Cite
APA Citation
Institution,, B. S. (2021). BS ISO 23696-2. Water quality. Determination of nitrate in water using small-scale sealed tubes.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100113291918.0x000001
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Institution,, B. S. (2021). BS ISO 23696-2. Water quality. Determination of nitrate in water using small-scale sealed tubes.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100113291918.0x000001