Heat Capacity and Thermodynamic Properties of Cesium Pentaborate Tetrahydrate

Table 1

Reagents used in the study.

Chemicals	CAS reg. no.	Initial mass fraction purity	Purification method	Final mass fraction purity	Analysis method
H3BO3^a	10043-35-3	0.9999	Without purification	0.9999	Gravimetric method for boron
CsCO3^b	534-17-8	0.9990	Without purification	0.9990	Gravimetric method for carbonate
β-CsB5O8·4H2O^c	—	0.9900	Recrystallization	0.9950	Gravimetric method for boron

^aFrom the Shanghai Macklin Biochemical Co. Ltd. ^bFrom the Aladdin Industrial Co. Ltd. ^cSynthesized in our laboratory.