7516 International Standard (ISO INTE RNATIONAL ORGANIZATION FOR STANDARDIZATION MEKAYHAPOAHAR OPTAHW3AUMA nO CTAHAAPTW3AUMWORGANISATION INTE RNATIONALE DE NORMALISATION Instant tea in solid form -- Sampling The soluble sous forme solide - Echantillonnage First edition - 1984-11-15 UDC 663.958 : 620.11 Ref. No. ISO 7516-1984 (E) 7516-1984 Descriptors : agricultural products, tea, sampling. Price based on 4 pages Not for Resale Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with isO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. They are approved in accordance with ISO procedures requiring at International Standard ISO 7516 was prepared by Technical Committee ISO/TC 34, Agricultural food products International Organization for Standardization, 1984 Printed in Switzerland ted without license from IHS Not for Resale INTERNATIONAL STANDARD ISO 7516-1984 (E) Instant tea in solid form - Sampling Introduction 2.1 consignment : The quantity of instant tea dispatched or 0 received at one time and covered by a particular contract or Being a natural product, instant tea may exhibit variable shipping document. The consignment may be made up of one characteristics associated with the season of manufacture or more lots or parts of lots. and/or the source of leaf material. In addition, variable manufacturing characteristics, such as bulk density, powder 2.2 lot; break: A defined quantity of instant tea, presumed flowability and particle size, are critically important. For these to be of uniform characteristics, taken from a consignment and reasons, it is desirable that a sample of any lot or consignment allowing the quality to be assessed. is prepared at the factory and forwarded to the customer for approval prior to the instant tea being dispatched from the fac 2.3 primary sample2): A small quantity of instant tea, taken tory. at one time from one point in a single immediate container, or, In order to confirm that a given consignment of instant tea con- where appropriate, the whole contents of one immediate con- forms to a contract specification,abuyer maywish to samplea tainer in the lot [in the case of containers containing less than representative number of boxes on arrival at his premises. 1 kg of instant tea (see 4.3.5)]. However, instant tea in solid form is generally packed and transported in bulk in sealed bags of moisture-resistant material NOTE -- A series of primary samples is taken from different positions (i.e. an immediate container), protected by an outer container. in the lot. special precautions need to be taken in order to ensure that the 2.4 bulk sample: The quantity of instant tea obtained by taking of samples does not adversely affect the sample itself or bringing together the primary samples taken from different the remainder of the lot. positions in the lot and which is representative of the quality of the lot. Scope and field of application 1 2.5 laboratory sample: A prescribed quantity of instant tea taken from the bulk sample, representative of the quality of the This International Standard specifies methods of sampling ins lot and intended for analysis or other examination. tant tea in solid form (hereinafter referred to as ""instant tea'"). It applies to sampling from containers of all sizes. 2.6 point of manufacture: The point in the factory at which the instant tea is being poured into its first immediate Separate methods are desc