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Table 1 Mineral contents in typical mineral imported supplements employed in feedingstuff manufacture

From: Inorganic contaminants and composition analysis of commercial feed grade mineral compounds available in Costa Rica

Assaya Mean SD Median Max Min Guideline value or guaranteed analysis
Calcium and phosphorus-containing mineral sources
Dicalcium phosphate, n = 22
Dry matter, g/100 g 97.3 2.5 98.2 100.0 90.9 >88
Calcium, g/100 g[1; 4.5 %] 26.2 2.9 26.0 32.7 21.4 21.0 – 27.0
Phosphorus, g/100 g[1; 4.5 %] 19.5 1.7 19.8 22.0 15.5 18.0 – 21.0
Monocalcium phosphate, n = 22
Dry matter, g/100 g 94.2 1.2 94.3 95.7 90.8 >88
Calcium, g/100 g[1; 4.5 %] 16.0 1.4 15,9 18.9 13.1 15.0 – 18.0
Phosphorus, g/100 g[1; 4.5 %] 21.0 1.2 20.9 23.6 18.0 21.0 – 23.0
Calcium carbonate, n = 21
Dry matter, g/100 g 99.9 0.1 99.9 100.0 99.6 >88
Calcium, g/100 g[2; 9.5 %] 37.8 2.8 36.4 41.8 28.9 37.5 – 39.0
Carbonate (as CaCO3), g/100 g 92.6 12.5 97.5 99.6 48.6 96.0 – 98.0
Iodine-containing mineral sources
Calcium iodate, n = 7
Dry matter, g/100 g 99.57 0.34 99.71 99.86 99.00 >88
Calcium, g/100 g 7.6 1.1 7.6 8.95 6.25 Not indicated
Iodide, g/100 g[1; 14.2 %] 61.4 4.7 62.6 64.7 50.3 63.5
Microgran™ I 10 % BMP (calcium iodide), n = 10
Dry matter, g/100 g 99.45 0.24 99.51 99.76 98.90 >88.0
Calcium, g/100 g 16.9 5.1 18.4 20.8 4.8 -
Iodide, g/100 g[4; 40.0 %] 8.1 2.6 8.1 11.9 4.4 10.0
Etilendiamine diiodide, n = 7
Dry matter, g/100 g 99.89 0.08 99.93 99.96 99.73 >88.0
Iodine, g/100 g[5; 83.3 %] 68.9 4.8 69.2 77.5 62.8 79.5
Potassium Iodide, n = 7
Dry matter, g/100 g 99.7 0.1 99.7 99.4 99.8 >88.0
Potassium, g/100 g 21.1 1.9 19.8 24.5 19.5 -
Iodine, g/100 gb 68.9 5.5 70.1 74.9 62.5 68.0
Cobalt-containing mineral sources
Cobalt carbonate, n = 13
Dry matter, g/100 g 94.68 3.36 96.47 99.00 88.40 >88.0
Cobalt, g/100 g[7; 53.8 %] 49.4 10.7 45.4 82.4 39.7 46.0
Carbonate (as CaCO3), g/100 g 62.4 14.4 68.8 84.1 43.9 Not indicated
Cobalt sulfate, n = 16
Dry matter, g/100 g 67.83 9.77 64.50 98.37 63.20 >88.0
Cobalt, g/100 g[2; 12.5 %] 23.2 3.4 25.8 27.7 21.0 19.5-21.0
Microgran™ Co 5 % BMP (cobalt carbonate), n = 13
Dry matter, g/100 g 97.9 0.6 97.7 100.0 97.3 >88.0
Carbonate (as CaCO3), g/100 g 7.9 1.8 7.2 13.5 6.1 Not indicated
Cobalt, g/100 gb 6.3 1.4 5.7 10.7 4.8 5.0
Copper-containing mineral sources
Copper oxide, n = 19
Dry matter, g/100 g 99.9 0.2 99.8 100.0 99.1 >88.0
Assaya Mean SD Median Max Min Guideline value or guaranteed analysis
Copper, g/100 g[3; 17.6 %] 71.7 5.9 71.3 85.0 59.6 75.0
Copper sulfate, n = 18
Dry matter, g/100 g 73.4 6.5 71.9 99.7 68.8 >88.0
Copper, g/100 g[2; 12.5 %] 25.1 2.1 24.6 31.4 22.4 25.0
Sodium containing mineral sources
Sodium chloride, n = 23
Dry matter, g/100 g 96.2 6.1 98.8 99.9 71.7 >88.0
Sodium, g/100 g 36.6 4.0 36.4 46.7 26.7 38.5
Chloride (as NaCl), g/100 g[4; 19.0 %] 99.7 3.3 98.0 99.8 87.4 98.0
Iron-containing mineral sources
Ferrous carbonate, n = 21
Dry matter, g/100 g 99.0 0.54 98.9 100.0 98.15 >88.0
Iron, g/100 g[3; 15.8 %] 35.9 4.2 35.4 46.6 27.3 38.0
Carbonate (as CaCO3), g/100 g 38.08 17.2 41.2 74.7 19.2 Not indicated
Ferric oxide, n = 16
Dry matter, g/100 g 99.1 97.2 99.9 88.3 100.0 >88.0
Iron, g/100 g 37.6 13.0 37.3 65.0 16.2 Not indicated
Ferrous sulfate, n = 17
Dry matter, g/100 g 75.4 17.3 62.6 99.1 62.0 >88.0
Iron, g/100 g[1; 6.3 %] 22.8 5.0 21.7 36.5 15.0 19.0
Magnesium-containing mineral sources
Magnesium oxide, n = 21
Dry matter, g/100 g 99.81 0.21 99.90 99.99 99.29 >88.0
Magnesium, g/100 g[6; 28.6 %] 42.1 15.1 40.5 85.4 22.4 50.0-54.0
Magnesium sulfate, n = 18
Dry matter, g/100 g 63.1 9.2 60.8 99.8 57.5 >88.0
Magnesium, g/100 gb 8.8 1.1 8.6 11.7 6.8 6.8-11.6
Manganese-containing mineral sources
Manganous oxide, n = 21
Dry matter, g/100 g 99.6 0.24 99.7 99.9 98.9 >88.0
Manganese, g/100 g[7; 35.0 %] 58.6 6.6 56.2 77.8 50.4 60.0-62.0
Manganese sulfate, n = 15
Dry matter, g/100 g 97.0 10.5 99.9 100.0 57.7 >88.0
Manganese, g/100 g[2; 13.3 %] 28.3 5.6 26.8 40.3 21.1 29.0-32.0
Sulfur-containing mineral sources
Elemental sulfur, n = 20
Dry matter, g/100 g 98.7 1.1 99.2 99.7 96.0 >88.0
Sulfur, g/100 g[4; 20.0 %] 98.4 1.7 99.0 99.6 93.7 99.5
Zinc-containing mineral sources
Zinc oxide, n = 22
Dry matter, g/100 g 99.5 1.7 99.9 100.0 91.5 >88.0
Zinc, g/100 g[1; 4.5 %] 76.0 12.3 72.4 108.4 58.3 72.0
Zinc sulfate, n = 18
Dry matter, g/100 g 99.85 0.17 99.96 100.0 99.45 >88.0
Assaya Mean SD Median Max Min Guideline value or guaranteed analysis
Zinc, g/100 g[8; 44.4 %] 32.4 4.1 32.0 43.2 25.1 35.0
Selenium-containing mineral sources
Microgran™ Se 1 % BMP (sodium selenite), n = 13
Dry matter, g/100 g 99.7 0.19 99.7 99.9 99.2 >88.0
Selenium, g/100 g 1.7 1.1 1.2 4.2 0.8 1.0
Sodium, g/100 g 0.63 0.12 0.61 0.93 0.49 Not indicated
Sodium selenite 1 %, n = 11
Dry matter, g/100 g 99.52 0.37 99.64 99.95 98.65 >88.0
Selenium, g/100 g 1.36 0.77 1.14 3.58 0.68 1.0
Sodium, g/100 g 1.03 1.42 0.62 5.50 0.21 Not indicated
Sodium selenite, n = 8
Dry matter, g/100 g 99.76 0.19 99.82 99.99 99.48 >88.0
Selenium, g/100 g 44.3 2.6 44.2 47.7 40.0 45-46
Sodium, g/100 g 24.1 3.25 24.6 29.3 19.0 26-27
Potassium-containing mineral sources
Potassium Chloride, n = 17
Dry matter, g/100 g 94.2 22.9 99.92 99.99 2.42 >88.0
Potassium, g/100 g[9; 53.9 %] 49.9 13.7 46.9 97.6 34.5 62
Chloride (as NaCl), g/100 g 87.6 12.4 91.4 99.3 44.8 Not indicated
  1. aNumbers in parenthesis represent the number (n) of samples with concentrations beneath the guaranteed analysis for a specific element. Concentrations considered were those which are not within the lower guaranteed range allowing for one SD (σ). bAll samples for this mineral are within the guaranteed range