GB/T 18795-2012Technology requirement for making standard samples of tea (English PDF)

3.1 Tea standard samples

With sufficient uniformity, on behalf of the class tea quality characteristics, through technical appraisal, in line with the product standards along with quality grade say

A number of tea samples Ming.

3.2 Reference sample

Tea standard samples have been enacted or samples of the product in full compliance with standard sensory quality requirements.

Preparation 4

4.1 selection of raw materials

4.1.1

Select the current region, quality representation, in line with expectations making standard samples of raw materials, raw materials should be during the spring and summer tea

Choose to stay.

4.1.2

Select the shape of endoplasmic basic standard requirements, representative of the appropriate level of tea and a normal quality of its physical and chemical indicators,

Health indicators in line with the requirements of the product.

4.1.3

The selection of raw materials have a sufficient number of standards should be more than the target number of physical samples into the sample 2 to 3 times to ensure compliance with the use of need.

4.1.4

After the selection of raw materials should be moisture determination, shelf-life to take measures selected raw materials should be stored in a dry, odor-free, good sealing performance

Good inner container, placed in a dry, odor-free, temperature control in the barn below 5 °C.

4.2 Sample Preparation

4.2.1

Preparation and processing tools should be chosen to ensure the uniformity of raw materials, container and avoid environmental pollution of raw materials.