Fruits, vegetables and derived products — Determination of volatile acidity
The method consists in acidifying a test portion with tartaric acid, entraining the volatile acids by steam distillation and titrating the distillate with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as an indicator. The method is applicable to all fresh products, to products preserved without chemical preservatives, and to products to which sulphur dioxide has…
Agricultural tractors — Remote control hydraulic cylinders for trailed implements
This second edition cancels and replaces the first edition (1975). Gives the specifications and dimensions for the assembly and clearances common to hydraulically operated cylinders and to trailing-type farm implements. The specifications given permit: the interchangeability of hydraulic operation between tractors, and the transference of the hydraulic cylinder from one implement to another. It…
Establishes the classification, according to their principal characteristics, of various types of bucket elevators. Gives the following classifications: according to construction and to the path of the bucket, according to the type of discharge, according to the driving medium system and describes the common types of bucket elevators.
