GB/T 18633-2018: Determination of potassium in feeds -- Flame photometry

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Scope

This Standard specifies using flame photometry to determine the potassium in the
feeds.
This Standard is applicable to determine the potassium in the feed ingredients, formula
feed, concentrated feed, concentrate supplement, and additive premix.
This Standard method’s detection limit is 2.00mg/kg; quantitative limit is 200mg/kg.

Basic Data

Standard ID	GB/T 18633-2018 (GB/T18633-2018)
Description (Translated English)	Determination of potassium in feeds -- Flame photometry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	B46
Classification of International Standard	65.120
Word Count Estimation	5,578
Date of Issue	2018-05-14
Date of Implementation	2018-12-01
Older Standard (superseded by this standard)	GB/T 18633-2002
Quoted Standard	GB/T 6682; GB/T 14699.1; GB/T 20195
Regulation (derived from)	National Standards Announcement No. 6 of 2018
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the flame photometric determination of potassium in feed. This standard applies to the determination of potassium in feedstuffs, compound feeds, concentrated feeds, concentrate supplements, and additive premix feeds. The detection limit of this standard method is 2.00 mg/kg and the limit of quantitation is 200 mg/kg.