10-Pack Unknown Composition Soda Ash Sodium Carbonate Samples, 100g Each, Varying Purities 20-50% Subcategory_Flame Tests Sloping Claisen head in borosilicate

Sloping Claisen head in borosilicate glass features two B14 sockets with 34/35 cone for thermometer and dropping funnel connections during distillation

with a ground-glass stopper sealing an ASTM-compliant Class B volumetric body

nucleophilic addition

sized for 20 to 22 mm tubes and resistant to lab reagent splashes on classroom benches

sized as a generic spare in the PH1118 demonstration-meter scale series for swap-in classroom use

10-Pack Unknown Composition Soda Ash Sodium Carbonate Samples, 100g Each, Varying Purities 20-50% Subcategory_Flame Tests Sloping Claisen head in borosilicateUsed to develop quantitative analysis technique on unknown soda ash samples, this 10 pack of 100g sodium carbonate samples spans 20 50% purity for analytical chemistry investigation practice.