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Approved Methods

ASTM (American Society for Testing and Materials

Metals

Instrument
Method
Elements
Materials

CS230, C230, S230
CS600, C600, S600
TC600, TC500, TC400
TN600, TN500, TN400
RO600, RO500, RO500
WR-112
E-1019
C, S, N, O
Steel, Iron*, Nickel/
Cobalt Alloys
E-1587
C, S, N, O
Refined Nickel
E-1941
C
Refractory & Reactive
Metals

TC600, TC500, TC400
RO600, RO500, RO400,
TCH600
E-1409
O, N
Titanium & Titanium Alloys
E-1569
O
Tantalum
E-2575
O
Copper

RH-402/404, RH600, ROH600, RHEN602,
TCH600,TCHEN600
E-1447
H
Titanium & Titanium Alloys

CS Series,
SC632-Series
E-1915
-97
C, S
Metal Bearing Ores & Related Materials (i.e. tailings, waste rock)

All Metals for CHNOS
E-1806
Sampling and Sample Prep
Iron & Steel
* ISO 4935 - Sulfur Method;  ISO 9556 - Carbon Method

Energy

Instruments
Method
Elements
Materials
AC500, AC600
D-1989
D-5865
Calorific Value
Coal & Coke
D-2382
D-240
D-4809
Calorific Value
Hydrocarbon Fuels
D-5468
Calorific Value
Waste Materials

SC144DR,
S632,
TruSpec® S

 
 
 
D-1552
S
Oils & Petroleum Products
D-4239
S
Coal & Coke
D-5016
S
Coal & Coke Ash
D-1619
S
Carbon Black
TGA701
D-5142
Proximate
Coal & Coke
D-7348
Loss on Ignition (LOI)
Combustion Residues
TruSpec® CHN
 
D-5291
C, H, N
Oil
D-5373
C, H, N
Coal & Coke
AF700
D-1857
Ash Fusion
Coal & Coke Ash
AMA-254
D-6722
Hg
Coal & Combustion Residues

 
ISO (International Organization for Standardization)

Instruments
Method
Elements
Materials
TN400, TN500, TN600,
TC400, TC500, TC600
TCH600
10720
N
Steel and Iron
15351
N
Steel and Iron
RO400, RO500,
RO600, TC400, TC500,
TC600, ROH600, TCH600
22963
O
Titanium and Titanium Alloys
17053
O
Steel and Iron
C230, C600, CS230, CS600
 
 
 
 
 
9556
C
Steel and Iron
10694
C
Soil
10719
C
Steel and Iron
21614
C
UO2, (U, Gd)O2, and (U, Pu) O2
9891
C
UO2
15349-2
C
Unalloyed Steel
S230, S600, CS230, CS600
 
 
 
 
4935
S
Steel and Iron
13902
S
Steel and Iron
4689-3
S
Iron Ores
7524
S
Nickel, Ferronickel and Nickel Alloys
7526
S
Nickel, Ferronickel and Nickel Alloys
CS-Series
15350
C, S
Steel and Iron

UOP

Instruments
Method
Elements
Materials
C230, C600, CS230, CS600
703
C
Catalysts

 

AOAC (Association of Official Analytical Chemists)

Instruments
Method
Constituent
Materials
FP-528
TruSpec® N, TruMac® N
990.03
Crude Protein
Animal Feed
992.15
Meat/Meat Products & Petfoods
992.23
Cereal Grain & Oil Seed Products
993.13
Nitrogen
Fertilizer
997.09
Nitrogen/
Protein

Beer, Wort, Brewing Grains (Total Protein by Calculation)
TFE2000
999.02
Oil
Oil Seeds
3:2000
Crude Fat
Meat
2:2002
Total Fat
Infant Formula (Milk-based and Soy-based)

 

AOCS (American Oil Chemists Society)

Instruments

Method

Constituent

Materials

FP-528
TruSpec® N, TruMac® N

BA4E-93

Protein

Oil Seeds

TFE2000

Am 3-96

Oil

Oil Seeds

 

ASBC (American Society of Brewing Chemists)

Instrument
Method
Constituent
Materials
FP-528
TruSpec® N, TruMac® N
Combustion
Protein
Barley
Malt
Brewer's Grains
Wort
Beer

Adjunct Materials, Cereals

 


AACC (American Association of Cereal Chemists)

Instruments

Method

Constituent

Materials

FP-528
TruSpec® N, TruMac® N

46-30

Protein

Cereal and Cereal Products

 


AWS (American Welding Society)

Instruments

Method

Constituent

Materials

RC612, RC-412

A4.4M:2001

Moisture

Welding Fluxes and Electrode Flux Coverings

 

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Comments

The USDA accepts the AOAC Method of crude protein in meats and meat products by combustion.

AOAC Dairy Collaborative has been delayed at least two years due to the inability to determine efficiency of current Kjeldahl method.

Download the pdf version of these approved methodologies to which LECO instruments conform.

Click here to view EPA Acceptance of Ion Abundance Criteria for DFTPP Tuning (ATP Letter)