Quality Reference Materials (QRMs)

Obtaining known samples with reliable report results is key to training new people, calibrating equipment, testing new methods and a multitude of other lab testing activities. AOCS offers Quality Reference Samples with their respective reports for these and other uses.

Consensus reference materials are available to purchase for quality assurance testing and internal quality control. All quality reference samples are analyzed by participants in the AOCS Laboratory Proficiency Program and shipped with peer-reviewed reports that include consensus mean values, z-scores and standard deviation for various components.

Available QRM's

Aflatoxin Cholesterol DDGS from Corn Meal Edible Fat Fish Meal Gas Chromatography GOED Nutraceutical Oils Marine Oil Marine Oil Fatty Acid Profile NIOP Fats and Oils Nutritional Labeling Oilseed Meal Olive Oil Chemistry Palm Oil Peanut Phosphorus in Oil Solid Fat Content by NMR Soybean Specialty Oils Trace Metals in Oil trans Fatty Acid Content Trypsin Inhibitor Activity in Soybeans and Pulses Unground Soybean Meal Vegetable Oil for Color Only

*Sample(s) in this series
Almond
Corn Meal
Corn Meal Test Kit
Peanut Paste Test Kit
Peanut Paste
Pistachio

Determination
Aflatoxins B1, B2, G1, and G2     

Test Method
User-Specified Method

Availability and Pricing

*samples may vary due to inventory

*Sample(s) in this series
Cheese Powder
Dried Beef
Dried Chicken
Dried Turkey
Egg Solids
Egg Yolk
Milk Powder

Determination
Cholesterol

Test Method
AOAC 994.10

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Corn Meal

Determination
Ash*
Crude Fat
Crude Fiber
Moisture
Protein

Test Method
User Specified
AOAC 920.39, 945.16, or 2003.06
AOAC 978.10 or Ba 6a-05 (filterbag)
NFTA 2.1.4 (105 oC/3 hr)
AOAC 990.03 (Combustion) or 2001.11 (Kjeldahl

*Optional test

Availability and Pricing

*Sample(s) in this series
Margarine Oil
Vegetable Shortening
Emulsified Shortening

Determination
AOCS Color Red
Capillary Melting Point**
Free Fatty Acids
Iodine Value
Lovibond Color** 
Mettler Dropping Point
α-Monoglycerides**
OSI** 
Peroxide Value
Solid Fat Content

**Optional test

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Fish Meal

Determination
Acid Value
Ash
Crude Protein
Moisture
Nitrogen 
Oil (Petroleum Ether)
Pepsin Digestibility

Test Method
Cd 3d-63
Ba 5a-49
Ba 4d-90 or Ba 4e-93 (Dumas)
Ba 2a-38
AOAC 920.03
Ba 3-38
AOAC 971.09

Availability and Pricing


*Sample(s) in this series
Canola Oil
Coconut Oil
Cottonseed Oil
Olive Oil
Palm Oil
Soybean Oil
Sunflower Oil
Vegetable Shortening

Determination
Fatty Acid Composition
Iodine Value (calculated)**

Test Method
Ce 1a-13
Cd 1c-85

**Optional test

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Marine Oil

Determination
Acid Value
p-Anisidine Value
EPA/DHA/Omega-3 Quantification
Peroxide Value
Totox Value

Test Method
Cd 3d-63
Cd 18-90
Ce 1i-07, GOED Monograph, USP 401 or Ph Eur 2.4.29 
Cd 8b-90
Calculation (2 × PV + AN)

Availability and Pricing

Sample(s) in this series
Marine Oil

Determination
AOCS Color*
p-Anisidine Value
Free Fatty Acids
Gardner Color*
Insoluble Impurities
Iodine Value
Moisture
Peroxide Value

*Optional test

Availability and Pricing

Sample(s) in this series
Marine Oil 

Determination
Fatty Acid Composition

Test Method
Ce 1b-89 or Ce 1i-07

Availability and Pricing

*Sample(s) in this series
Crude Coconut Oil
Crude Safflower Oil
Crude Sunflower Oil
Palm Oil

Determination
AOCS Color Red
Free Fatty Acids
Iodine Value
Mass/Unit Volume
Saponification Value

Availability and Pricing

*samples may vary due to inventory

*Sample(s) in this series
Cheese Powder
Chocolate Powder
Chocolate Pudding
Egg Powder
Infant Formula
Milk Powder
Peanut Butter Powder

Determination
Fatty Acid Composition
Minerals**
Total Fat
Total Protein
Vitamin A**
Vitamin D**
Vitamin E**

Test Method
Ce 1j-07
AOAC 985.35 or 984.27
User-Specified
User-Specified
AOAC 992.04 or 992.06
AOAC 992.26
AOAC 992.03

**Optional test

Availability and Pricing

*samples may vary due to inventory

*Sample(s) in this series
Soybean Meal
Canola Meal
Peanut Meal
Cottonseed Meal
Safflower Meal

Determination
Crude Fiber
Moisture
Nitrogen
Oil (Petroleum Ether)

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Olive Oil

PART A
Determination
Delta K (UV Extinction)
K270, K232, K225*
Free Fatty Acids
Peroxide Value


Test Method
COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91
COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91
Ca 5a-40
Cd 8b-90

PART B
Determination
Diacylglycerols*
Fatty Acid Composition


Pyropheophytin*
Triglycerides (ECN 42) 


Test Method
ISO 29822:2009
COI/T.20/Doc.33/Rev.1-2017,
ISO 12966-4:2015, AOCS Ch 2-91
or AOCS Ce 2-66
ISO 29841:2009
COI/T.20/Doc.20/Rev.4-2017 or AOCS Ce 5b-89

PART C
Determination
Biophenols*
Contents of 2-Glycerol
Monopalmitate*
Sterenes*
Sterols

Stigmastadienes
Waxes


Test Method
COI/T.20/Doc.29/Rev.1-2017

COI/T.20/Doc.23/Rev.1-2017
COI/T.20/Doc.16/Rev.2-2017
COI/T.20/Doc.26/Re.5-2020,
ISO 12228-2:2014 or AOCS Ch 6-91
COI/T.20/Doc.11/Rev.4-2021 or AOCS Cd 26-96
COI/T.20/Doc.28/Rev.3-2022 or AOCS Ch 8-02

*Optional test

Availability and Pricing

Sample(s) in this series
Palm Oil

Determination
Cloud Point*
Free Fatty Acids
Iodine Value
Lovibond Color
Slip Melting Point*
Solid Fat Content

Test Method
MPOB P4.3 (alternate AOCS Cc 6-25)
MPOB P2.5 (alternate AOCS Ca 5a-40)
Cd 1d-92
MPOB P4.1 (alternate AOCS Cc 13e-92)
MPOB P4.2 (alternate AOCS Cc 3-25)
Cd 16b-93 or Cd 16-81

*Optional test

Availability and Pricing

Sample(s) in this series
Peanuts

Determination
Foreign Matter
Free Fatty Acids
Moisture
Nitrogen
Oil
Peroxide Value

Availability and Pricing

Sample(s) in this series
Soybean Oil

Determination
Phosphorus

Test Method
Ca 12-55

Availability and Pricing

*Sample(s) in this series
Emulsified Shortening
Margarine Oil
Vegetable Shortening

Determination
Solid Fat Content

Test Method
Cd 16b-93

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Soybeans

Determination
Crude Fiber*
Free Fatty Acids*
Moisture
Nitrogen
Oil

*Optional test

Availability and Pricing

 

*Sample(s) in this series
Avocado Oil
Borage Oil
Canola Oil
Corn Oil
Evening Primrose Oil
Flaxseed Oil
Grapeseed Oil
Macadamia Oil
Palm Oil
Pecan Oil
Pistachio Oil
Pumpkin Seed Oil
Rice Bran Oil
Safflower Oil
Sesame Seed Oil
Sunflower Oil

Determination
p-Anisidine Value
Fatty Acid Composition
Free Fatty Acids
Iodine Value
Moisture
Peroxide Value

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Soybean Oil

Determination
Copper, Iron, Nickel

Test Method
Ca 18-79 or Ca 18b-91 or Ca 17a-18

Out of stock

*Sample(s) in this series
Non-Hydrogenated Soybean Oil
Hydrogenated Soybean Oil

Determination
Total trans Fatty Acids by GC
Total trans Fatty Acids by IR

Test Method
Ce 1h-05
Cd 14-95

Availability and Pricing

*samples may vary due to inventory

*Sample(s) in this series
Soy Flour
Raw Soybeans
Defatted Soymeal
Soy Protein Concentrate
Soy Protein Isolate
Hulless Barley
Pea Flour
Pea Protein Concentrate
Faba Bean Protein Concentrate

Determination
Trypsin Inhibitor Activity

Test Method
Ba 12a-2020

Availability and Pricing

*samples may vary due to inventory

Sample(s) in this series
Unground Soybean Meal

Determination
Ash*
Crude Fiber
Moisture
Nitrogen
Oil (Petetroleum Ether)
Urease Activity

*Optional test

Availability and Pricing

 

Sample(s) in this series
Vegetable Oil

Determination
AOCS Color Red
Lovibond Red Color*

*Optional test

Availability and Pricing

 

In This Section

LPP analyst login
enter data/read reports

Access your methods site license

Lab Supplies

Activated Bleaching Earth
Isotek Laboratories LLC
Phone: +1 405-948-8889, ask for George
Email: info@isoteklabs.com  
Postal Address:
Isotek Laboratories LLC
5225 NW 5th Street
Oklahoma City, Oklahoma  73127

Natural Bleaching Clay
Barry Gurski
Oil-Dri
Phone: +1 850-212-6121

Refining Cup - 960 mL
For use with AOCS Official Method Ca-9a 52.