a hundred samples of total diets , 19 samples of cheese ( mainly dutch ) , a total of 30 samples of muscle , fat liver , kidney , blood and fried meat from experimental veal calves ( fed daily with 0.6 or 300 mg of potassium nitrate per kg b.w . ) and 14 samples of urine of patients medicated with massive amounts of ammonium nitrate ( up to an equivalent of 180 mg potassium nitrate per kg b.w . ) have been analysed with gc-tea for their content of the following n-nitrosamines : ndma , ndea , ndpa , ndba , npip , npyr and nmor .
C0028197
nitrosamines
C0012431
ndma