This document specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of metaphosphates for special optical materials (hereinafter referred to as metaphosphates). This document applies to lithium metaphosphate, sodium metaphosphate, potassium metaphosphate, barium metaphosphate, and aluminum metaphosphate.
T/SHXCL 0007-2021 history
2021T/SHXCL 0007-2021 The metaphosphates for special optical materialal