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The Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1991

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This is the original version (as it was originally made). This item of legislation is currently only available in its original format.

(Note:

In the presence of calcium salts such as calcium nitrate and calcium ammonium nitrate, it is necessary to add, before distillation for each gram of sample present in the aliquot, 0.700 g disodium hydrogen phosphate (Na2HPO4.2H2O) to prevent the formation of calcium hydroxide).

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