GB/T 18798.1-2017Instant tea in solid form -- Part 1: Sampling (English PDF)

Foreword

GB/T 18798 "solid instant tea" is divided into the following sections.

--- Part 1. Sampling;

--- Part 2. Total ash determination;

--- Part 3. Moisture determination;

--- Part 4. Specifications;

--- Part 5. Determination of free-flow and close bulk density.

This section GB/T 18798 Part 1.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This Part replaces GB/T 18798.1-2008 "solid instant tea Part 1. Sampling." This section and GB/T 18798.1-2008 compared to the main technical changes are as follows.

--- Equivalent to ISO 7516:1984, modified to modify the use of;

--- Delete GB/T 18798.1-2008 introduction part;

--- Delete the term "processing point" and redefine the term "retail package".

This section uses the redrafted law revision using ISO 7516:1984 "solid instant tea sampling." This part of ISO 7516:1984 Compared to the main technical differences are as follows.

--- The scope of the standard has been modified;

--- Sampling requirements Sampling work required by the buyer and/or the seller designated by the staff or will be the buyer or buyer representatives and the seller or sell the terms of the party's presence are not specified in this standard;

--- Delete the term "processing point" to redefine the term "retail package";

--- Delete Chapter 7 sampling report Note 1 and Note 2.

This section also made the following editorial changes.

--- The standard name was changed to "solid instant tea Part 1. Sampling." this part is proposed by China Federation of Supply and Marketing Cooperatives.

This part of the National Tea Standardization Technical Committee (SAC/TC339) centralized.

This part of the drafting unit. China National Federation of Supply and Marketing Cooperatives Hangzhou Tea Research Institute, the National Tea Quality Supervision and Inspection Center, Fujian, Japan Spring Industrial Co., Quanzhou Exit Inspection and Quarantine Bureau integrated technical service center.

1 Scope

GB/T 18798 provisions of this part of the solid instant tea (hereinafter referred to as instant tea) sampling method.

This section applies to a variety of containers instant tea sampling.

2 Terms and definitions

The following terms and definitions apply to this document.

Deliver goods consignment According to a special contract or shipping documents express a single instant tea freight volume or a volume. Delivery of goods by a number of goods or more Batch composition.

Lot lot

A certain amount of instant tea, taken from a single delivery and subject to quality assessment, assuming uniform quality.

The original sample primarysample A small amount of instant tea taken from a single initial container somewhere in a shipment, or all instant tea in that initial container Less than 1kg of instant tea in the container, sampling method see 4.3.5).

Note. A series of original samples were taken from a number of different locations.

Mix sample bulksample A certain amount of instant tea, which is a blend of original samples taken from different locations of a shipment, representing the quality of that batch.

Test sample laboratorysample A specified quantity of instant tea, taken from a mixed sample representing the quality of the batch, is used for analysis or other tests.

Initial container immediatecontainer Direct contact with instant tea container, the outer layer can be an additional layer or layers of packaging. Such as.

a) For heavy-volume transport of instant tea used sealed bags, jackets such as fiberboard boxes and other packaging protection;

b) The packaging for instant tea, usually for retail sale, is usually a glass bottle or a sealed bag enclosed in a box.

Retail package retailpack Refers to the minimum packaging unit for retail products.

3 Sampling rules

3.1 Sampling places should be clean, dry, dark, sampling equipment and sample containers should be clean, dry, no smell, the sample container should have a sealed, anti