This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation an

This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation an

The QB 2238 "Fortified Nutrient Salt" series of standards is divided into five items, and this standard is the fifth item in the Q

The QB 2238 "Fortified Nutrient Salt" series of standards is divided into five items, and this standard is the fourth item in the

This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation an

This standard was first issued in 1996 and this is the first revision. The QB 2238 "Fortified Nutrient Salt" series of standards i

The QB 2238 "Fortified Nutrient Salt" series of standards is divided into five items, and this standard is the first item in the Q

This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation an