http://www.legislation.gov.uk/uksi/1996/1342/schedule/2/part/I/crossheading/determination-of-biuret-in-urea/paragraph/5.1/made
The Fertilisers (Sampling and Analysis) Regulations 1996
Food standards
King's Printer of Acts of Parliament
2018-06-28
AGRICULTURE
These Regulations, which apply throughout Great Britain, consolidate and supersede the Fertilisers (Sampling and Analysis) Regulations 1991 (SI. 1991/973), the Fertilisers (Sampling and Analysis) (Amendment) Regulations 1991 (SI. 1991/2824) and the Fertilisers (Sampling and Analysis) (Amendment) Regulations 1994 (SI. 1994/129). They implement the Directives listed in paragraph 2 below.
SCHEDULE 2METHODS OF ANALYSIS
PART I
7.DETERMINATION OF BIURET IN UREA
APPARATUS5.1
Spectrophotometer.