This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of sodium glutamate solution (liquid monosodium glutamate). This standard is applicable to fermentation production using starch (corn, rice, wheat, etc.) as raw materials, or using glutamic acid, sodium carbonate, and drinking water as the main raw materials, filling after neutralization, decolorization, iron removal, sterilization, and cooling. Process-produced, non-ready-to-eat liquid MSG for food processing.