Briefing Session on Analysis of Nitrate/Nitrite and ... - uri=govtlab.gov
Briefing Session on Analysis of Nitrate/Nitrite and ... - uri=govtlab.gov
Briefing Session on Analysis of Nitrate/Nitrite and ... - uri=govtlab.gov
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GL Testing method for Propi<strong>on</strong>ic acid – GC method<br />
1. Comminute the chopped pp solid sample p<br />
2. Weigh 10g well-blended sample in a distillati<strong>on</strong> flask.<br />
3. Add 2 mL distilled water, 10 mL <strong>of</strong> 0.5M sulphuric acid, 10 mL <strong>of</strong><br />
phosphotungstic acid, mix by swirling.