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ContractsRegister of Gafta Methods of Analysis

Register of Gafta Methods of Analysis

Register of Analysis Methods

Introduction
Effective 1 January 2021
1.0 Preparation of the Sample for Analysis
2.1 Moisture in Feedingstuffs
ISO 6496:1999
2.2 Moisture in Feedingstuffs with High Sugar Content
ISO 6496:1999
(containing more than 4% Sucrose or Lactose)
Note: Clause 8 of ISO 6496:1999 is replaced by Gafta procedure
2.3 Moisture in Cereals and Cereal Products
ISO 712:2009
2.4 Moisture in Maize
ISO 6540:2021
2.5 Moisture in Pulses
ISO 24557: 2009
2.6 Moisture in Oilseed Residues
ISO771:2021
3.0 Oil - Solvent Extraction
3.1 ISO11085:2015 for cereal and cereal based products
3.2 ISO6492:1999 for animal feedingstuffs (excluding oilseed residues) – Oil procedure A Note: Procedure B does not apply
3.3 ISO734:2015 for oilseed cakes and meals
Effective from 1 January 2021
4.1 Crude Protein - Kjeldahl Method in Feedingstuffs
ISO 5983-2:2009 Note: REFERENCE METHOD
ISO 5983-1:2005 Note: is also an acceptable method
4.2 Crude Protein - Kjeldahl Method in Cereals
ISO 20483:2013
Note: REFERENCE METHOD
4.3 Crude Protein – Dumas Method
ISO 16634-2:2016
Note: KJELDAHL METHOD IS THE REFERENCE METHOD
5.1 Digestible Crude Protein
ISO 6655:1997
5.2 Digestible Crude Protein - Pepsin Activity
ISO 6655:1997
6.0 Urea
ISO 6654:1991
7.0 Volatile Nitrogenous Bases
8.0 Phosphorus
ISO 6491:1998
9.0 Crude Fibre in Feedingstuffs
ISO 6865:2000
10.1 Sugar - Luff Schoorl Method
10.2 Lactose in Feedingstuffs
11.1 Crude Ash in Feedingstuffs
ISO 5984:2022
11.2 Crude Ash – Cereals
ISO 2171:2007
12.0 Ash which is insoluble in Hydrochloric Acid (Sand and/or Silica)
ISO 5985:2002
13.0 Water Soluble Chlorides in Feedingstuffs
ISO 6495-1:2015
Note: Titration may also be carried out by potentiometry.
14.0 Calcium, Magnesium and Sodium - Atomic Absorption Spectrophotometry Method (AASM)
ISO 6869:2000
Note:Inductively coupled plasma (ICP) is an acceptable detection technique
15.0 Hydrocyanic acid
16.0 Volatile Mustard Oil
17.0 Free and Total Gossypol
18.1 Aflatoxins in Feedingstuffs
ISO 17375:2006
Note: Mass Spectometry is an acceptable detection technique.
18.2 Aflatoxins in Cereals
ISO 16050:2003
Note: Mass Spectometry is an acceptable detection technique.
19.0 Carbonates
20.0 Sodium - Flame Photometry Method
ISO 7485:2000
Note:Inductively coupled plasma (ICP) is an acceptable detection technique
21.0 Urease Activity
ISO 5506:1988
22.0 Starch – Polarimetric Method
ISO 6493:2000
23.0 Castor Seed Husk
ISO 5061:2002
24.0 Bulk Density of Cereals
ISO 7971-3:2019
25.1 Wet Gluten in Wheat Flour – Hand Washing
ISO 21415-1:2006
Note: MECHANICAL TESTING IS THE REFERENCE METHOD
25.2 Wet Gluten in Wheat Flour – Mechanical Method
ISO 21415-2:2015
Note: REFERENCE METHOD
26.1 Admixture in Wheat, Barley, Rye, Oats, Triticale and Pulses
26.2 Physical Characteristics of Grains
27.0 Sieving Test for Malting Barley
Analytica-EBC
Note: Reference: 3.11.1 Sieving Test for Barley

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