Graphene 1-3 layer powder (Grade A) 10g gram

Grade A graphene1-3 LayerQuantity: 10g (five grams)Purity (%): 99.5 ± .5Length Micron: 1-5Thickness Nanometers: 2-3Surface Area (m2/g): 300 We are starting production so if you would like larger quantities just ask!

Tannic Acid, Ultra Pure, Powder, 99% min., 100 grams

Here is 100 grams of Ultra Pure Tannic acid. This current batch is 99.9% pure! Pure tannic acid is a light Beige color. The darker it is the less pure it is, or it is not Tannic acid at all. This is the purest Tannic Acid anywhere!

Tannic Acid, Reagent ACS, High Purity, 100 grams

You are purchasing 100 grams of Reagent ACS grade Tannic acid. The is certified ACS grade (high purity for lab and technical uses) by a major US Supplier. It is 97% minimum purity. High purity Tannic Acid is a light yellow/beige powder.