However, if someone stole samples to add nitrogen and other substances, can deceive Kjeldahl method to obtain a false high protein content, milk Duishui posing as the original milk.

• 但是如果有人往样品中偷加含氮的其他物质，就可以骗过凯氏定氮法获得虚假的蛋白质高含量，用兑水牛奶冒充原奶。