MASS SPECT Gold^®
Mass Spect Gold^® by Golden West Biologicals, Inc.^® was developed due to patient reference labs need for more sensitive quality control materials to use for LCMS applications. With ultra-low analytes for ultrasensitive immunoassays, GCMS and LCMS applications Mass Spect Gold^® products provides the sensitivity needed for your applications. Choose the products that patient reference labs use.

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Description	Catalog #
VD-DDC Mass Spect Gold® Vitamin D Free Human Serum Delipidized	MSG 1000	25-OH Vitamin D LCMS <1 ng/ml 25-OH Vitamin D2 LCMS <1 ng/ml 25-OH Vitamin D3 LCMS <1 ng/ml 25-OH Vitamin D Immunoassay <4 ng/ml 1,25 di-OH Vitamin D LCMS <5 pg/ml Triglycerides & Cholesterol <10 mg/dl
VD-DC Mass Spect Gold® Vitamin D Free Human Serum	MSG 2000	25-OH Vitamin D LCMS <1 ng/ml 25-OH Vitamin D2 LCMS <1 ng/ml 25-OH Vitamin D3 LCMS <1 ng/ml 25-OH Vitamin D Immunoassay <4 ng/ml 1,25 di-OH Vitamin D LCMS <5 pg/ml Triglycerides & Cholesterol - As found
DDC Mass Spect Gold® Ultra-low Hormones, Steroids and other Analytes, Human Serum Delipidized	MSG 3000	T4 <0.3 µg/dl TSH <0.05 µIU/ml Estradiol <6.5 pg/ml Testosterone <0.026 ng/ml Progesterone <0.105 ng/ml Cortisol <0.2 µg/dl HCG <2 mIU/ml LH <0.8 mIU/ml Triglycerides & Cholesterol <10 mg/dl
DC Mass Spect Gold® Ultra-low Hormones, Steroids and other Analytes, Human Serum	MSG 4000	T4 <0.3 µg/dl TSH <0.05 µIU/ml Estradiol <6.5 pg/ml Testosterone <0.026 ng/ml Progesterone <0.105 ng/ml Cortisol <0.2 µg/dl HCG <2mIU/ml LH <0.8 mIU/ml Triglycerides & Cholesterol - As found
Ultra-low Analyte Products for Immunoassay, GCMS and LCMS Applications
Description	Catalog #
Mass Spect Gold® Urine Drug and Alcohol Free, Ultra-low Hormones, Steroids and other Analytes	MSG 5000	Testosterone <0.026 ng/ml Progesterone <0.105 ng/ml HCG <2 mIU/ml LH <0.8 mIU/ml Ethanol and Drug Free
Mass Spect Gold® Saliva Ultra-low Hormones and Steroids	MSG 6000
Mass Spect Gold® EDTA Plasma Ultra-low Parathyroid Hormone (PTH)	MSG 7000

Please contact us to discuss your specific requirements or to request a sample.