
Best Ergonomic Office Chairs for Long Hours at the Desk (2025 Guide)
Discover the top ergonomic office chairs for ultimate comfort during long hours at your desk. Boost your productivity an...
The froehde reagent is ideal as a secondary test and has a very long shelf life. It will detect PMA and PMMA, giving a pale green reaction for either. The froehde reagent will last over 12 months if stored in the fridge and about 12 months if kept outside the fridge in a cool ...The froehde reagent is ideal as a secondary test and has a very long shelf life.
It will detect PMA and PMMA, giving a pale green reaction for either. The froehde reagent will last over 12 months if stored in the fridge and about 12 months if kept outside the fridge in a cool, dark place. 2 mL will give approximately 35 drops.
One drop is required to perform one test. As with all reagent tests, the froehde reagent contains strong acid and should be handled with care. Includes reaction result guide for common compounds.
Discover more insights and guides in this category

Discover the top ergonomic office chairs for ultimate comfort during long hours at your desk. Boost your productivity an...

Discover the best noise-cancelling headphones that enhance focus and comfort for work and travel. Elevate your listening...

Discover the must-have kitchen gadgets for every home cook in 2025. Elevate your culinary skills and simplify meal prep ...