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Database: 365,228(8 Aug 2026)

free ammonia

free ammonia, Total:15 items.

The international standard classification for "free ammonia" includes: Thermosetting materials , Tea , Biology. Botany. Zoology .

The Chinese standard classification for "free ammonia" includes: Basic standards and general methods for synthetic resin and plastic , Tea products , Basic standards and general methods , Basic standards and general methods .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 5473-1985 Phenol-formaldehyde mouldings; Detection of free ammonia
GB/T 30987-2020 Determination of free amino acids in plant
GB/T 8314-1987 Tea--Determination of free amino acids content
GB/T 5474-1985 Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method
GB/T 30987-2014 Determination of free amino acids in plants
GB/T 8314-2002 Tea - Determination of free amino acids content
GB/T 8314-2013 Tea - Determination of Free Amino Acids Content

Professional Standard - Commodity Inspection

SN/T 2784-2011 Determination of Free Ammonia for Import Phenolic Plastics

Professional Standard - Agriculture

NY/T 1975-2010 Water-soluble fertilizers. Determination of amino-acids content

South African Bureau of Standard

SANS 5217:2010 Water - Free and saline ammonia content
SANS 5217:2007 Water - Free and saline ammonia content

Gosstandart of Russia

GOST 27749.2-1988 Carbamid. Method of free ammonia content determination

SE-SIS

SIS 16 41 04-1966 Phenolic mouldings. Detection of free ammonia

NL-NEN

NEN 6644-1983 Water - Calculation of free ammoniac content

Korean Agency for Technology and Standards (KATS)

KS M 3711-2018 Determination of free ammonia in phenol-formaldehyde molding

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