What instrument would you use to check the weight of small samples accurately?

The triple beam balance is an appropriate instrument for accurately measuring the weight of small samples. This device operates on a system of levers and sliding weights that allows for precise measurements. It provides direct readings of mass, ensuring that even small changes in weight can be detected.

In a laboratory setting where accuracy is essential, such as measuring chemicals for experiments, the triple beam balance can give measurements down to very small increments, making it a reliable choice for weighing samples that require careful handling and precision.