According to 'GB/T 26033-2010 Ammonium Metatungstate', during the transportation of ammonium metatungstate, it is necessary to take care to prevent moisture and avoid severe collisions. The product shall be stored in a dry, ventilated place free from acidic or alkaline atmosphere. From the date of receiving the product, the storage period for spray - dried material shall not exceed six months, and that for crystalline material shall not exceed one month.
