Analytical Reference Materials Free Fatty Acids Test Standard Catalog # 35272 Lot # A0103157 110 Benner Circle Bellefonte, PA 16823-8812 1-814-353-1300 1-800-356-1168 www.restek.com FOR LABORATORY USE ONLY. READ MSDS PRIOR TO USE. RAW MATERIAL TEST INFORMATION AVAILABLE UPON REQUEST MANUFACTURED UNDER RESTEK'S ISO 9001 REGISTERED QUALITY SYSTEM Page 1 of 6
CERTIFIED REFERENCE MATERIAL 110 Benner Circle Bellefonte, PA 16823-8812 Tel: (800)356-1688 Fax: (814)353-1309 Certificate of Analysis www.restek.com FOR LABORATORY USE ONLY-READ SDS PRIOR TO USE. This Reference Material is intended for Laboratory Use Only as a standard for the qualitative and/or quantitative determination of the analyte(s) listed. Catalog No. : 35272 Lot No.: A0103157 Description : Free Fatty Acids Test Standard Container Size : Free Fatty Acid Test Mix 1,000 µg/ml, Water, 1mL/ampul 2 ml > 1 ml Pkg Amt: Expiration Date : May 31, 2017 Storage: 10 C or colder C E R T I F I E D V A L U E S Elution Order Compound Grav. Conc. (weight/volume) 1 Acetic acid 1,002.0 µg/ml CAS # 64-19-7 (Lot H16Z035) 2 Propionic acid 1,006.0 µg/ml CAS # 79-09-4 (Lot SHBC0723V) 3 Isobutyric acid 1,008.0 µg/ml CAS # 79-31-2 (Lot 41196THV) 4 Butyric acid 1,006.0 µg/ml CAS # 107-92-6 (Lot 350000/1) 5 Isovaleric acid 1,002.0 µg/ml CAS # 503-74-2 (Lot 09402CZ) 6 Valeric acid 1,006.0 µg/ml CAS # 109-52-4 (Lot 01327DZ) Expanded Uncertainty (95% C.L.; K=2) +/- 5.9516 µg/ml +/- 38.2141 µg/ml +/- 157.8025 µg/ml +/- 5.9753 µg/ml +/- 38.3666 µg/ml +/- 158.4325 µg/ml +/- 5.9872 µg/ml +/- 38.4429 µg/ml +/- 158.7475 µg/ml +/- 5.9753 µg/ml +/- 38.3666 µg/ml +/- 158.4325 µg/ml +/- 5.9516 µg/ml +/- 38.2141 µg/ml +/- 157.8025 µg/ml +/- 5.9753 µg/ml +/- 38.3666 µg/ml +/- 158.4325 µg/ml Page 2 of 6
Solvent: Water CAS # Purity 7732-18-5 99% Column: 30m x.25mm x 0.25um Stabilwax-DA (cat.#11023) Carrier Gas: helium-constant pressure 20 psi. Temp. Program: 145 C (hold 25 min.) Inj. Temp: 250 C Det. Temp: 250 C Det. Type: FID This chromatogram represents a general set of testing conditions chosen for product acceptance. For optimal results in your lab, conditions should be adjusted for your specific instrument, method, and application. Date Mixed: 06-May-2014 Balance: B345965662 Date Passed: 09-May-2014 Manufactured under Restek's ISO 9001:2008 Registered Quality System Certificate #FM 80397 Page 3 of 6
General Certified Reference Material Notes Expiration Notes: Expiration date valid for unopened ampul stored in compliance with the recommended conditions. Uncertainty, concentration, and expiration of the CRM are based on the unopened product being stored according to the recommended condition found in the storage field. Purity Notes: Purity and/or chemical identity are determined by one or more of the following techniques: GC/FID, HPLC, GC/µECD, GC/MS, LC/MS, RI, and/or melting point. Compounds with a listed purity of less than 99% have been weight corrected to compensate for impurities and/or salts. A correction factor is used to calculate the amount of compound necessary to achieve the desired concentration of the parent compound in solution. Purity of isomeric compounds is reported as the sum of the isomers. Purity values are rounded to the nearest whole number. Certified Uncertainty Value Notes: The uncertainties are determined in accordance with ISO Guides 34 and 35. The certified combined stressed uncertainty value ( includes gravimetric uncertainty, homogeneity between-ampul uncertainty, storage stability uncertainty and shipping stability uncertainty and were combined using the following formula: k is a coverage factor of 2, which gives a level of confidence of approximately 95%. It is important to note that the shipping stability uncertainty was obtained under temperature extremes for specific time intervals; therefore, the certified combined stressed uncertainty value should only be applied to the product if it was stored at non-standard temperature conditions up to and including 7 days. Contact Restek Technical Service at www.restek.com/contact-us for use recommendations if your shipment was in-transit for more than 7 days at nonstandard temperature conditions. Apply the certified combined unstressed uncertainty value if the product was received under standard shipping conditions. Apply the certified combined stressed uncertainty value if the product was received under non-standard conditions as specified below. Label Conditions 25 C Nominal (Room Temperature) 10 C or colder (Refrigerate) 0 C or colder (Freezer) Standard Conditions < 60 C < 40 C < 25 C Non-Standard Conditions 60 C up to 7 days 40 C up to 7 days 25 C up to 7 days Separate (not combined) uncertainty values for gravimetric uncertainty are also displayed on the certificate, if needed, separate homogeneity between-ampul uncertainty, storage stability uncertainty and shipping stability uncertainty values are available by contacting Restek Technical Service at www.restek.com/contact-us. The packaged amount is the minimum sample size for which uncertainty is valid. The ampules are over-filled to ensure that the minimum packaged amount can be sufficiently transferred. Manufacturing Notes: Concentration is based upon gravimetric preparation using either a balance whose calibration has been verified daily using NIST traceable weights, and/or dilutions with Class A glassware. Handling Notes: Samples should be transferred into deactivated vials for handling and storage. Restek supplies deactivated vials along with most standards packed in 2 ml ampules. Due to space constraints, Restek does not supply vials for larger volume ampules. Restek sells DMDCS for the purpose of glassware deactivation as catalog number 31840, which includes complete instructions. Restek will also deactivate larger volume vials from our inventory as a custom ordered item. Contact your Restek sales or customer service representative for details. If any undissolved material is visible inside the ampul, sonicate the unopened ampul until the material is completely dissolved. Page 4 of 6
Catalog #: 35272 Target: 1000 ug/ml Description: Free Fatty Acids Test Standard Solvent: Water Solvent Lot: 141267 Chemical Standard Batch Sheet Lot #:A0103157 Final Volume: 50 ml Made by: Brandon Reish Date: 5/6/2014 7:58:01AM Tested by: Jennifer Pollino Pass Date: 5/7/2014 1:36:48PM By: Jennifer Pollino Date: 5/9/2014 6:41:36AM Packaged by: Lane Kibe / Lane Kibe Date: 5/6/2014 11:28:15PM No. Units: 30 Pkg Size: 1 ml Balance Used: BEDEARMBALPC4 XPE504 Serial #: B345965662 Compound CAS Acetic acid 64-19-7 Isovaleric acid 503-74-2 Valeric acid 109-52-4 Propionic acid 79-09-4 Isobutyric acid 79-31-2 Butyric acid 107-92-6 Storage Target Location Lot # Purity Conc(ug/mL) Target Actual Calc Conc(ug/mL) Acid Cab H16Z035 0.99 1,000.00 50.00 mg 50.10 mg 1,002.0 Hood 09402CZ 0.99 1,000.00 50.00 mg 50.10 mg 1,002.0 Hood 01327DZ 0.99 1,000.00 50.00 mg 50.30 mg 1,006.0 Hood SHBC0723V 0.99 1,000.00 50.00 mg 50.30 mg 1,006.0 Hood 41196THV 0.99 1,000.00 50.00 mg 50.40 mg 1,008.0 R0035 350000/1 0.99 1,000.00 50.00 mg 50.30 mg 1,006.0 Page 5 of 6
QA Report: Free Fatty Acids Test Standard (Cat#35272) Runs of Lot # A086706 Runs of Lot # A0103157 COMPONENT Run #1 Run #2 Run #3 AVG STD DEV % RSD Run #1 Run #2 Run #3 AVG STD DEV % RSD %D MEAN P/F Acetic Acid 18307 17841 17934 18027 247 1.37 17778 17767 17535 17693 137 0.78 1.85 PASS Propionic Acid 30967 30088 30188 30414 481 1.58 30070 30065 29986 30040 47 0.16 1.23 PASS Isobutyric Acid 39280 38405 38714 38800 444 1.14 38176 38455 38338 38323 140 0.37 1.23 PASS Butyric Acid 37899 36935 37588 37474 492 1.31 36763 36922 36658 36781 133 0.36 1.85 PASS Isovaleric Acid 43548 42763 42755 43022 456 1.06 42032 42354 42204 42197 161 0.38 1.92 PASS Valeric Acid 42633 41208 42124 41988 722 1.72 41509 41173 41681 41454 258 0.62 1.27 PASS Page 6 of 6 5/9/2014 6:40:48 AM 1/1-1