Author Archives: situadmin

Personal Care Test Methods

Commonly requested test methods for personal are and cosmetic products include: Preservation ASTM E640 – Preservatives in Water-Containing Cosmetics ASTM E645 – Evaluation of Preservatives in Cooling Water (Industrial Water Testing) Shelf Life Accelerated Aging – Heat Accelerated Aging – Spray/Wipe Accelerated Aging – UV Exposure Accelerated Aging – Water Mist Biodegradation OECD 301B for […]

Certified Compostable Testing at Situ Biosciences

Quality Assurance has little meaning without valid testing. Compostability performance is no different. Like any other product, compostable products and their associated performance claims need to be substantiated and backed up by valid scientific test results. Based on standard industrial methods including ASTM D6400, certified compostable products assure end-customers of the quality of the product. Test progress […]

Biodegradation Testing: Challenges & Test Method Selection

Challenges Common issues include solubility, volatility and choosing the appropriate method Liquids Formulations and finished products; products likely to be disposed of down the drain or in water systems Solids Methods for packaging, plastics, and products that would be disposed of in solid waste systems Test Methods Cover a range of product types and intended […]

Biodegradation: DOC, CO2, O2 Measurements & Methods

Solutions and Liquid Testing Overview Used for determination of Ready, Ultimate and/or Inherent Biodegradability OECD 301 Biodegradation methods typically run for 28 days; OECD 302 Biodegradation Methods are intended for longer term testing; with more complicated solutions. Many other harmonized methods and variants of the OECD method exist.  The differences between these method are due […]

Biodegradation Testing for Compostable Solids

Selecting a Biodegradation Test Plastics, coated materials, and packaging that will likely end up in solid waste streams have specific biodegradation test considerations. Knowing how your product is likely to be disposed of is one important consideration in determining which test method to use. Biodegradation and composting are related but not the same – before […]

Biodegradation Test Methods

Below are commonly requested biodegradation and compost test methods. Options include a range of associated test protocols including BOD/COD and toxicity assessments. Connect our laboratory at 847-483-9950 for additional information about biodegradation and compostable product testing. ASTM ASTM D6400 Aerobic Biodegradation Series ASTM D5338 Aerobic Biodegradation ASTM D6868 Coated Materials ASTM D5864 Lubricants ASTM D6691 […]

Personal Care Quality Control Testing

Bacterial contamination has once again resulted in a large scale product recall, this time with baby wipe; and this is an entirely avoidable problem.   Apparently after opening a package of baby wipes, customers discovered the wipes were discolored and had an unpleasant order.  Further microbial testing indicated that the contaminant was (in part) Burkholderia cepacia.  A common bacteria, B. cepacia may cause […]

Fashion Trends & Antimicrobials

Textiles are an important part of our everyday lives.  New trends constantly develop and new products hit the market each season.  One item that has hit the shelves and formed its niche into our lives is leggings.  They are comfortable, light, and usually inexpensive. Leggings have become an extremely popular trend in the clothing world today. […]

MIT Preservative in Personal Care Products

A recent article, “A mystery rash on a woman’s hands and lips stumped specialists” in the Washington Post has intrigued us with the discussion of an antimicrobial preservative methylisothiazolinone, also known as MI or MIT. MIT has been used in personal care products as an effective antifungal preservative for years.  However, as the article points out, concerns are […]

Fungal Challenges for Lawn and Turf

Dollar Spot, Brown Patch, and Antifungal Products for Golf Courses and Turf Microbes inhabit every niche in of our natural landscape: without them there would be no natural landscape. But in certain circumstances specific fungi can cause problems that are both cosmetic and costly. Notable for lawn and turf applications are the fungal blights known […]