Published online by Cambridge University Press: 27 March 2009
Numerous investigations have been made on the amounts of combined nitrogen in rain and snow in different parts of the world during the last 60 years.
Page 311 note 1 “The amounts of nitrogen as ammonia and as nitric acid and of chlorine in the rain-water collected at Rothamsted,” Journal of Agricultural Science, 1906, 1, 280.Google Scholar
Page 311 note 2 A more detailed paper on the subject has just been published in a Swedish journal. Nitrites are included with nitrates in our determinations.
Page 312 note 1 Jönköping has 24,000 inhabitants. As the town is on the north side of Flahult and the winds are generally from the south and south-west, contamination of the rain with smoke, &c., can only be slight.
Page 312 note 2 “The amount of nitric acid in the rain-water at Rothamsted, with notes on the analysis of rain-water,” Journal of the Chemical Society, 1889, 55, 537.CrossRefGoogle Scholar