The certification of the contents of calcium, ammoniacal-nitrogen, nitrate-nitrogen, and total nitrogen in a sample ofcalcium ammonium nitrate fertiliser (BCR no. 178) and uric-nitrogen, biuret and total nitrogen in a sample of urea fertiliser (BCR no. 179)
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The certification of the contents of calcium, ammoniacal-nitrogen, nitrate-ni...
B. Griepink1 editions
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B. Griepink
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