1839 (ISO International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEXAYHAPOAHAR OPrAHW3AUMA nO CTAHAAPTW3ALWW-ORGANISATION INTE RNATIONALE DE NORMALISATION Tea - Sampling The-Echantillonnage First edition -- 1980-02-15 UDC 663.95 : 543.053 : 620.113 Ref. No. iSO 1839-1980 (E) (3) ISO 1839-1980 Descriptors : agricultural products, tea, packages, sampling. Price based on 3 pages Foreword national standards institutes (Iso member bodies). The work of developing Inter- national Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been set up has the and non-governmental, in liaison with IsO,also take part in the work. Draft Internationai Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 1839 was developed by Technical Committee ISO/TC 34, Agriculturalfood products.It is the result of the combination into one single document of the revision of International Standards 1S0 1839/1-1975 and 1839/2-1976 and draft International Standard ISO/DIS 1839/3, which was submitted to member bodies in February 1977, and which was approved by the member bodies of the following coun- tries : Austria India Romania Canada Iran South Africa, Rep. of Chile Israel Thailand Egypt, Arab Rep. of Korea, Rep. of Turkey Mexico France United Kingdom Ghana New Zealand USA Hungary Poland Yugoslavia The member bodies of the following countries expressed disapproval of the draft Inter- national Standard on technical grounds : Australia Ireland International Standard ISo 1839/1-1975 had been approved by the member bodies of the following countries : Hungary Poland Australia Brazil India Portugal Chile Iran Romania Czechoslovakia Israel South Africa, Rep. of Egypt, Arab Rep. of Korea, Rep. of Sri Lanka France Netherlands Thailand Germany, F. R. New Zealand Turkey Greece Peru United Kingdom International Standard IS0 1839/2-1976 had been approved by the member bodies of the foliowing countries : Austria Germany, F. R. Portugal Belgium Hungary Romania Brazil India South Africa, Rep. of Bulgaria Turkey Iran Canada Israel United Kingdom Chile Mexico USA Netherlands Czechoslovakia Yugoslavia Egypt, Arab Rep. of New Zealand France Poland No member body had expressed disapproval of these International Standards. This first edition cancels and replaces International Standards IS0 1839/1-1975 and ISO 1839/2-1976. International Organization for Standardization, 1980 . Printed in Switzerland ISO 1839-1980 (E) INTERNATIONAL STANDARD Tea - Sampling Scope and field of application 1 3 Apparatus This International Standard specifies methods for the sampling 3.1Spoons, scoops, borers or other instruments, of tea. suitable for taking samples from the interior of containers. It applies to sampling from containers of all sizes. Dividing apparatus, suitable for the purpose of redu- 3.2 cing the bulk sample to obtain the laboratory samples. Definitions For the purpose of this International Standard the following definitions apply.1) General 4 2.1 consignment : The quantity of goods despatched or received at one time and covered by a particular contract or Sampling shall be carried out by persons appointed by 4.1 shipping document. The consignment may be made up of one buyers and sellers and, if desired, in thepresence of the buyer or more lots or parts of lots. (or his representatives) and the seller (or his representatives). lot; break : A defined quantity of tea, intended to be 4.2 Sampling shall be carried out in a covered place, in such a 2.2 manner that the samples of tea, the sampling instruments and uniform. the sample containers are protected from adventitious contami- nation and other factors likely to affect the samples, for exam- primary sample2) : A small quantity of tea, taken at one 2.3 ple moisture, dust, radiation, etc. time from one