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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This is the original version (as it was originally made).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.

4.5    REAGENTS

Ammonium thiocyanate, 0.1 N solution.

Preparation: since this salt is hygroscopic and cannot be dried without risk of decomposition, it is advisable to weigh out approximately 9 g, dissolve in water and make up the volume to one litre. Standardise by titration against 0.1 N silver nitrate solution.

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