Small bottles of mineral water are generally 330 ml, ordinary bottles are generally 550 ml or 600 ml, large bottles are 1500 ml or 2000 ml, and even larger bottles are 4000 ml or 4500 ml. Different brands will be more or less different.
Mineral water mainly refers to unpolluted water that gushes out of the ground or is artificially mined. Mineral water contains a certain amount of trace elements, minerals, etc. Most of the mineral water on the market is metasilicic acid. of. With the development of the economy, mineral water companies are also constantly engaging in brand competition. Nongfu Spring, Master Kong, Coca-Cola Ice Dew, C'estbon, Evergrande Ice Spring, etc. are competing fiercely.
When purchasing, we must pay attention to check the bromate content, production date, whether the bottle cap is intact, water color, etc. Qualified mineral water is colorless and odorless. Mineral water is generally drunk at room temperature or refrigerated. When heated, minerals will precipitate and form scale.
Purchasing method
Check whether the label meets the food labeling requirements and whether there is product name, water source, bromate content, registered trademark, date, etc., such as If it is not complete, it is not suitable to purchase. Similar to Evian Angsto, it does not use ozone for sterilization, but only uses ultraviolet sterilization. It is the first choice to have no bromate residue.
Second, check whether the bottle cap is intact and flat, and whether there is water leakage when the bottle is turned upside down.
Thirdly, check whether there are other colors or floc deposits in the contents of the bottle. If such phenomena exist, it is not advisable to purchase.
Qualified mineral water should have no odor or odor when drinking. For example, mineral water with higher lead and sodium content has a slightly salty taste; mineral water with higher calcium and magnesium content has an astringent taste; mineral water with higher carbon dioxide content has a unique irritation. In addition to the above-mentioned conditions that should be noted, regular mineral water manufacturers generally pay more attention to packaging, which is delicate and beautiful.
Outer packaging identification: High-quality mineral water is mostly packaged in non-toxic plastic bottles with beautiful appearance and fine workmanship; the bottle caps use twist-off plastic anti-counterfeiting caps, and some also have anti-counterfeiting inner plugs; the surface is fully adhered The trademark, color and precise printing, complete with product name, factory address, and production date, indicates various trace elements and their contents in mineral water, and some also indicate the name of the inspection and certification unit.
Identification of color and water body: High-quality mineral water is clean, colorless and transparent, without suspended matter and sediment, and the water body is not sticky.
Identification of smell and taste: High-quality mineral water is pure, refreshing and has no peculiar smell. Some of them have the special taste of the product, such as a slight salty taste.