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
DDC Mass Spect Gold®, Female
Ultra-low Hormones, Steroids and other Analytes, Human Serum Delipidized, Female Donors
MSG 3100 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.