MAJOR
ELEMENTS
Nitrogen
Total nitrogen (CE 2.6.)
Total nitrogen (Dumas method)
Ammonia nitrogen (without urea and organic nitrogen, CE 2.1.)
Ammonia nitrogen (with urea and organic nitrogen, CE 2.6.)
Nitrite nitrogen (without urea and organic nitrogen, CE 2.2.)
Nitrite nitrogen (direct assay, NF U 42-141)
Urea-nitrogen, (CE 2.6.1. or colorymetry PDAB)
Cyanamide (CE 2.4.)
Soluble nitrogen 20°C (NF U 42-191)
Soluble nitrogen 100°C (NF U 42-191)
Organic nitrogen, soluble or insoluble 20°C and/or 100°C (NF U
42-191)
Nitrogen from organic synthesis
Total organic nitrogen = total N - mineral N
Phosphoric anhydride
Total mineral acids (CE 3.1.1.)
Formic acid (CE 3.1.2. or NF U 42-202)
Citric acid (CE 3.1.3.)
Citric acid (Gueguen method)
Neutral citrate (CE 3.1.4.)
Alkaline citrate : Joulie (CE 3.1.5.)
Alkaline citrate : Peterman 65°C (CE 3.1.5.)
Alkaline citrate : Peterman 20°C (CE 3.1.5.)
Water (CE 3.1.6.)
K, Ca and Mg oxides
Water soluble potassium (NF U 42-342 or CE 4.1.)
Total potassium (soluble in mineral acids) (NF U 44-140)
Total calcium (CE 8.1. or NF U 44-140)
Water soluble calcium (CE 8.3.)
Total sodium (CE 8.1.)
Water soluble sodium (CE 8.3.)
Total magnesium (NF U 44-140 or CE 8.1.)
Water soluble magnesium (CE 8.3.)
Sulfate
Total (sulfuric anhydride) (CE 8.1. or NF U 42-771)
Water soluble (sulfuric anhydride) (CE 8.3. or NF U 42-771)
Sulfur
Total (CE 8.2.)
TRACE ELEMENTS.
Solubilisation : total elements (NF X 31-151 or CE 9.1. or NF U 42-501)
Co, Cu, Fe, Mn, Mo, Zn, Ni, Cr, Pb, Cd
Solubilisation : total boron (CE 9.1. or NF X 32-373)
Water extracted : B, Co, Cu, Fe, Mn, Mo, Zn (CE 9.2. or NF U 42-501)
Assay : B, Cu, Fe, Mn, Zn (single metal) (ICP-AES or AAS)
Assay: Pb, Cd, Co, Mo, Ni, Cr, Se (single metal) (ICP-AES or
AAS)
Total Hg : solubilisation and assay
Arsenic : solubilisation and assay
Percent chelation and total elements
Package : percent chelation (Fe, Mn, Cu, Zn) and total elements (NF U 42-506)
For other analyses, contact us.
OTHER ANALYSES
Moisture, drying up to 105°C until constant weight (NF U 44-171)
Moisture, drying underlight pressure (NF U 42-410)
In water pH
In solution pH
Density of liquid fertilizer
Density of solid fertilizer without packing (NF U 42-402)
Density of solid fertilizer with packing (NF EN 1237)
Total carbonates (NF U 44-174)
Carbonic solubility and total CaCO3 (NF U 44-174)
Neutralizing value (NF U 44-173)
Free lime
Free acidity
Los on ignition at 950°C
Chlorides chlorine (NF U 42-371)
Fineness rating, dry (sieving) (CE 7.1. CE 7.2.)
Water insoluble on fertilizer
Acid insoluble on fertilizer
Organic matter (NF U 44-160)
Pathogens (APV folder)
For other analyses, contact us.
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