实例

设两种盐的浓度分别为x和y，由柠檬酸的第三级电离平衡得到方程：(x×10^-6)/y=4×10^-7,解得：x/y=0.4)

10安全术语

S26In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。

S37/39Wear suitable gloves and eye/face protection

戴适当的手套和护目镜或面具。

11风险术语

R36/37/38Irritating to eyes, respiratory system and skin.

刺激眼睛、和皮肤。

R41Risk of serious damage to the eyes.

对眼睛有严重伤害。