Laboratory Grade Sodium Nitrate Prill, 500g Chemical_Ammonium Hydroxide Aphanitic basalt hand sample measures

Aphanitic basalt hand sample measures 3 inches with fine-grained mafic texture typical of rapidly cooled lava flows for extrusive igneous teaching

and test tubes for home-experiment and themed pretend-play activities

and interference patterns directly observable to a full classroom

Twelve-pack of 9mL potato dextrose broth tubes with phenolic-cap sterile seals

Numbered natural-color skull mounts with a 3D brain and attached cervical vertebrae on a display stand for cranial

Laboratory Grade Sodium Nitrate Prill, 500g Chemical_Ammonium Hydroxide Aphanitic basalt hand sample measuresPrill form 500g of laboratory grade sodium nitrate, the easier handling pellet shape for solution preparation and oxidation chemistry compared to powder or large crystal forms.