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This is a hemispherically-ended 8mm diameter x 300mm steel tamping rod paired with a 115mm dia x 180..

This is sodium hexametaphosphate, a white powdered dispersing/deflocculating reagent used to keep fi..

Sodium hydroxide (reagent grade) is supplied as white, hygroscopic pellets in a sealed reagent bottl..

This is anhydrous sodium sulphate salt, sold as bulk white powder, prepared as a saturated solution ..

A 25kg bagged industrial-grade magnesium sulfate reagent, the chemical used in the sulfate soundness..

Sodium sulphate, 3kg pack, used in soundness testing of aggregates.