Question

求助几句英语翻译！谢谢大家了

Answer 1

分类: 教育/科学 >> 外语学习
问题描述:

1.The still moist filter cake is dissolved in a mixture of 15 parts by volume of butan-2-ol,85parts by volune of water which contains 0.5% by weight of sodium pyrosulphite in such a manner that,by means of the addition of a 48% aqueous solution of sodium hydroxide to PH 7.

2.Thereafter,a further 1.5g of sodium dithionite are added to the solution.

解析:

1.The still moist filter cake is dissolved in a mixture of 15 parts by volume of butan-2-ol,85parts by volune of water which contains 0.5% by weight of sodium pyrosulphite in such a manner that,by means of the addition of a 48% aqueous solution of sodium hydroxide to PH 7.

将潮湿的滤渣放在由15%的丁醇和85%的含有0.5%硫酸钠的水的混合物中溶解,按焦亚硫酸钠的重量，通过往氢氧化钠中增加48%的水溶液直到其PH值为7 .

2.Thereafter,a further 1.5g of sodium dithionite are added to the solution

其后,再往溶液里加如1.5克的亚硫酸氢钠

楼上有句没翻译出来.