Water quality Kjeldahl

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  Water Quality Kjeldahl Nitrogen (standard Sample) | 0.646ug/mL | 20mL | Water Quality Analysis Standard Material

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  Water quality kjeldahl nitrogen (standard sample) with concentration 0.646ug/ml, volume 20ml (cas: 7727-37-9) ideal for chemical titration and analysis ensuring high precision and reliable results

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  Water Quality Kjeldahl Nitrogen (standard Sample) | 14.7ug/mL | 20mL | Water Quality Analysis Standard Material

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  Water quality kjeldahl nitrogen (standard sample) with concentration 14.7ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results