【求助】（也应助）For HFS 55 with 77% d.s. 是什么意思？

能不能给尽量多点的信息啊

dsb" shall mean "by weight on a dry solids basis
d.s应该是dry solids 干固体

不知道有没有这种说法

For HFS 55 with 77% d.s.
Using an analytical banance weith 1.5g of sample into a vial.Add 0.5ml of 1.0%H3PO4 using an automatic pipette.Add 8.5ml of purified water using a dispensette or pipette. Cap immediately.

整段翻译应该是什么意思？

对干固体含量为77%的HFS 55：
用分析天平称量1.5克样品到一个小瓶子中。用自动移液管加入0.5ml1.0%磷酸。用瓶口移液器或移液管加入8.5ml纯化水。立即加盖。