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Approved Methods to which LECO Instruments Adhere

Einführung

LECO participates actively in global standards organizations to ensure that laboratories around the world can perform analysis with proven, repeatable, and internationally recognized methodologies. Our instruments conform to approved methods across food, agriculture, energy, metals, cement, and materials science, helping laboratories achieve confident, compliant results.

Why Standardized Methods Matter

LECO’s long-standing involvement with major standards bodies—including AACC, AOAC, AOCS, ASBC, ASTM and others—helps maintain alignment between instrument capabilities and accepted analytical practices.

Consistent Results
Reliable outcomes across labs and operators
Standards Compliance
Methods aligned with global regulatory expectations
Trusted Accuracy
Scientifically validated measurement performance.
Global Uniformity
Comparable results across international testing sites.

Explore Methods

Below is a categorized view of the standardized methods supported by LECO instruments. Click the name of a governing body for an expanded look at applicable methodologies.

AOAC International. Widely used in foods, feeds, meat products, and fertilizers.

MethodConstituentMaterialsInstruments
990.03Crude ProteinAnimal Feed828/928
992.15Crude ProteinMeat, Meat Products, and Petfoods828/928
992.23Crude ProteinCereal Grain and Oil Seed Products828/928
993.13StickstoffFertilizer828/928
997.09Nitrogen, ProteinBeer, Wort, and Brewing Grains828/928
2017.08SchwefelFertilizerS832

American Oil Chemists’ Society. Methods for protein measurement in oilseeds and meals

MethodConstituentMaterialsInstruments
BA4E-93ProteinOilseeds828/928
BA4F-00ProteinSoybean Meal828/928

American Society of Brewing Chemists. Standardized protein methods for beer, malt, wort, barley, and adjunct grains.

MethodConstituentMaterialsInstruments
CombustionProteinAdjunct Materials and Cereals, Barley, Beer, Brewer’s Grains, Malt, and Wort.828/928

ASTM International. LECO has more than 30 years of participation with ASTM committees across cement, fuels, carbon materials, metals, and more.

MethodInstrumentsConstituentsMaterials
D1619832 SeriesSchwefelCarbon Black
D7633832 SeriesKohleCarbon Black
D7662832 SeriesKohleCarbon Black Feedstock Oils
D7679832 SeriesSchwefelCarbon Black Feedstock Oils
C114 (18.1)TGA801Loss on Ignition (LOI)Portland Cement
C114 (X2.2.2)TGA801Split Loss on Ignition, Carbon DioxideHydraulic Cement
C114 (X2.2.5)844/744 SeriesTotal Carbon, Carbon DioxideHydraulic Cement
C311/311M (11)TGM800, TGA801Moisture, LOICoal Ash & Natural Pozzolans
C1494-01744/844, 736/836Carbon, Oxygen, NitrogenSilicon Nitride Powder
C1408844/744 SeriesCarbon (Total)Uranium Oxide Powders and Pellets
C1457H836ENWasserstoffUranium Oxide Powders and Pellets
D240AC500Calorific ValueHydrocarbon Fuels
D1552832 SeriesSchwefelOils and Petroleum Products
D1619832 SeriesSchwefelCarbon Black
D1857AF700Ash FusionCoal and Coke Ash
D4239/
Mth A		832 SeriesSchwefelCoal and Coke
D4809AC500Calorific ValueHydrocarbon Fuels
D5016832 SeriesSchwefelCoal and Coke Ash
D5291828 SeriesCarbon, Hydrogen, NitrogenOil
D5373/
Mth A		828 SeriesCarbon, Hydrogen, NitrogenCoal
D5373/
Mth A		828 SeriesKohleCoke
D5373/
Mth B		832 SeriesKohleCoal and Coke
D5865AC500, AC600Calorific ValueCoal and Coke
D7348TGA701, TGA801Loss on Ignition (LOI)Combustion Residues
D7582TGA701, TGA801Proximate (Moisture, Volatile, and Ash)Coal and Coke
D7582
Sec 13.2.2		TGM800FeuchtigkeitCoal and Coke
D8339TGA801Free Moisture, Gypsum, Calcium Sulfite Hemihydrate, Calcium Carbonate, AshFlue Gas Desulfurization Solids (FGD)
E10LCB3100Standard Test Method for Brinell Hardness of Metallic Materials
E18LR, LCRStandard Test Methods for Rockwell Hardness of Metallic Materials
E92LM, LV, LMV, AMH43, AMH55, AMH6, HX, Test BlocksStandard Test Method for Knoop and Vickers Hardness of Materials
E140LM, LV, LR, LCR, LMV, LCB3100, HX, AMH55, AMH6Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, and Scleroscope Hardness
C25 Sec 35832 SeriesCarbon and SulfurLime, Limestone and Kiln Flue Dust
E10198444/744 Series,
836/736 Series		Carbon, Sulfur, Nitrogen, OxygenSteel, Iron*, Nickel/Cobalt Alloys
E1409836/736 SeriesOxygen, NitrogenTitanium and Titanium Alloys
E1447836 Series, H836 ENWasserstoffTitanium and Titanium Alloys
E1569836/736 SeriesSauerstoffTantalum
E1587844/744 Series, 836/736 SeriesCarbon, Sulfur, Nitrogen, OxygenRefined Nickel
E1915844/744 Series, 832 SeriesCarbon, SulfurMetal Bearing Ores and Related Materials (i.e. tailings, waste rock)
E1941844/744 SeriesKohleRefractory and Reactive Metals
E2050844/744 Series,KohleMold Powders
E2575836/736 SeriesSauerstoffCopper
E2792H836ENWasserstoffAluminum and Aluminum Alloys
E2994GDSMultipleTitanium and Titanium Alloys
E1951BX, GX, SZ, SZX, VX3, VX4, VX5Standard Guide for Calibrating Reticles and Light Microscope Magnifications

American Welding Society. Internationally recognized standards for welding, brazing, soldering, and related materials testing

MethodConstituentMaterialsInstruments
A4.4M:2001612 SeriesFeuchtigkeitWelding Fluxes and Electrode Flux Coverings

Cereal and Grains Association. Recognized methods for protein determination in cereal grains, oilseeds, and related food products, supported by LECO combustion analyzers.

MethodConstituentMaterialsInstruments
46-30828/928 SeriesProteinCereal and Cereal Products

United States Environmental Protection Agency. Validated analytical methods for environmental testing across air, water, soil, waste, and industrial samples.

MethodConstituentMaterialsInstruments
525.2Pegasus BTOrganic CompoundsDrinking Water
8270Pegasus BTSemi-volatile Organic Compounds (SVOCs)Solids, Soil, and Water

International Organization for Standardization. International best practices for chemical analysis, materials characterization, food testing, and laboratory competence, enabling comparable and reliable results across international laboratorie

MethodConstituentMaterialsInstruments
1928AC500, AC600Calorific ValueSolid Mineral Fuels
29541828 SeriesCarbon, Hydrogen, NitrogenSolid Mineral Fuels
16948828 SeriesCarbon, Hydrogen, NitrogenSolid Biofuels
18611-2828/928 SeriesStickstoffCatalyst
18611-2
Annex B		828/928 SeriesTotal Nitrogen, UreaAqueous Urea Solution
19579832 SeriesSchwefelSolid Mineral Fuels
22241-2 Annex B828/928 SeriesTotal Nitrogen, UreaAqueous Urea Solution
14891828/928 SeriesTotal Nitrogen, ProteinMilk and Milk Products
16634828/928 SeriesTotal Nitrogen, ProteinFood Products, Oilseed, and Animal Feeds
4545-2LM, LMV, HXMetallic materials — Knoop hardness test — Part 2: Verification and calibration of testing machines
6506-2LCB3100Metallic materials — Brinell hardness test — Part 2: Verification and calibration of testing machines
6507-2LM, LMV, LV, HXMetallic materials — Vickers hardness test — Part 2: Verification and calibration of testing machines
6508-2LR, LCRMetallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machines
3690DH603WasserstoffFerritic Steel Arc Weld Metal
4689-2/3844/744 SeriesSchwefelIron Ores
4935844/744 SeriesSchwefelSteel and Iron
7524844/744 SeriesKohleNickel, Ferronickel, and Nickel Alloys
7526844/744 SeriesSchwefelNickel, Ferronickel, and Nickel Alloys
9556844/744 SeriesKohleSteel and Iron
9686844/744 SeriesCarbon, SulfurDirect Reduced Iron
9891844/744 SeriesKohleUO2
10694844/744 SeriesKohleSoil
10719844/744 SeriesKohleCast Irons
10720836/736 SeriesStickstoffSteel and Iron
11873844/744 SeriesCarbon, SulfurCobalt Metal Powders
13902844/744 SeriesSchwefelSteel and Iron
15349-2844/744 SeriesKohleUnalloyed Steel
15350844/744 SeriesCarbon, SulfurSteel and Iron
15351836/736 SeriesStickstoffSteel and Iron
17053836/736 SeriesSteel and Iron
19272GDSCarbon, Silicon, Manganese, Phosphorus, Sulfur, Chromium, Nickel, Aluminum, Titanium, and CopperLow Alloyed Steel
21614844/744 SeriesKohleUranium Dioxide [UO2], Uranium-Gadolinium Mixed Oxides [(U, Gd)O2], and Uranium-Plutonium Mixed Oxides [(U, Pu)O2]
22963836/736 SeriesSauerstoffTitanium and Titanium Alloys
3451-1 Method DTGA801AshPlastics
10694832, 828/928, 744/844, 612KohleSoil
13878828/928 SeriesStickstoffSoil
15178928, 832SchwefelSoil
11505GDSMultipleGeneral Procedures
14707GDSMultipleIntroduction to Use
16962GDSZinc and Aluminum CoatingsFerrous or Other Metal Base Materials
25138GDSMetal Oxide FilmsMultiple Base Materials

Ontario Ministry of the Environment, Conservation and Parks. Methods governing laboratory analysis of soils, water, and waste materials for regulatory reporting, site assessments, excess soil management, and environmental compliance within Ontario, Canada.

MethodConstituentMaterialsInstruments
E3487QuadJet™ SD-ECDOrganochlorine Pesticides (OCs), Polychlorinated Biphenyls (PCBs)Soil, Sediment

UOP LLC, A Honeywell Company. Methods supporting detailed characterization of feedstocks, process streams, fuels, and refinery products, often used alongside ASTM and API standards in industrial laboratories.

MethodConstituentMaterialsInstruments
703844/744 SeriesKohleCatalysts
864832 SeriesSchwefelOrganic and Inorganic Materials
990GCxGC FIDMolecular type classificationPetroleum Samples

Do You Need Help Finding the Right Method?

LECO application specialists can help you choose the correct standard for your workflow or your compliance environment.

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