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Chemical and Microbial Gusmer Analytical Services
At Gusmer, our advanced facility offers more than just standard testing. We provide customized products and solutions tailored to your specific needs. When we help you identify an issue, we can provide insights and recommend changes to resolve it and prevent similar problems in the future. Accurate We have a rigorous quality control system backed up with a global inter-laboratory testing program. Prompt Receive results for most analyses within 24 hours. Trustworthy With over 100 years of experience in the beverage sector, Gusmer is a trusted leader. We invite you to choose Gusmer for your analytical laboratory needs and experience our dedication to “Service with Knowledge” ® firsthand. If you have questions regarding samples for analysis, please call the lab at 707.224.7903 ext. 306. Minimum analysis charge is $25. Samples should be dropped off or mailed to 640-D Airpark Road, Napa CA 94558.
Beer Panels
Type
Analysis
Volume Price
Basic Beer Chemistry Extracts, Alcohol, pH, Color, Bittering Units
125 mL
$45
2 finished cans/ bottles
Finished Beer
Extracts, Alcohol, pH, Color, Bittering Units, CO 2 , Air, Yeast/Mold/Bacteria (UBA,MRS)
$60
Stability Panel (Chill Haze) Filterability Panel 1 grade Filterability Panel 2 grade Membrane Clogging Index
Tannin and Protein Content, Stability Recommendation
125 mL
$35
Pre & Post NTU Readings 1 Filter Grade, Filter Recommendation
Varies*
$60
Pre & Post NTU Readings 2 Filter Grades, Filter Recommendation
Varies*
$100
Clogging index value to determine if beer is ready for sterile filtration Note: Should not be done more than 5 days prior to sterile filtration/bottling
500 mL
$40
Export Panel
Please contact the lab for more information (707) 224-7903
*The sample volume required for Filterability testing is dependent on your specific filtration setup and requirements. Please contact the lab to determine how much sample is needed.
Microbiological Services
Procedure Comments
Volume Price
Microscopic Exam Scan for microbes and debris (plating may be recommended to determine viability)
125 mL
$25
Yeast, Mold, & Bacteria (UBA, MRS) Yeast & Mold Only (UBA) Bacteria Only (MRS) Yeast, Mold, & Bacteria (UBA, MRS) Yeast & Mold Only (UBA) Bacteria Only (MRS)
125 mL 125 mL 125 mL 375 mL 375 mL 375 mL
$25 $25 $25 $40 $25 $25
Culture, Direct – unpackaged beer Culture, Membrane Filtration – packaged beer
Yeast count Viability Hemocytometer
125 mL
$35
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