Shopping security
Used to challenge students in determining purity by titration of unknowns, this 10-pack of 100g potassium hydrogen phthalate samples ranges 20-65% purity for analytical-chemistry practice.
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order