Ultra-Pure USP Grade Formaldehyde Free Methylene Blue 1 Drop contains 0.5 mg Methylene Blue 3rd Party Analytical Laboratory Verified Levels of Arsenic As Cadmium Cd Copper Cu Mercury Hg Lead Pb Selenium Se Tin Sn Zinc Zn See Photos for Certificates of Analyses Genuine Biopharm methylene blue items conveniently come with volume markings etched on the glass dropper heat sealed inside the glass bottle. Keep One Give One as a Gift! 1% w/v solution = 1 g methylene blue per 100 mL of solution. 1000 mg per 100 mL or 10 mg/mL. 20 drops per mL. 0.5 mg per drop.
- Ultra-Pure USP Grade Formaldehyde Free Methylene Blue.
- 1 Drop contains 0.5 mg Methylene Blue.
- See Photos for Certificates of Analyses.
- These genuine Biopharm methylene blue items conveniently come with a volumetrically graduated dropper heat sealed inside the glass bottle.
- Keep One Give One as a Gift!