ISO 1208:1982 PDF

Name: ISO 1208:1982 — Spices and condiments — Determination of filth
SKU: ISO 1208:1982
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Spices and condiments — Determination of filth

Название (английский):

ISO 1208:1982

Spices and condiments — Determination of filth

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 декабря 1982 г.
Издание:: ISO IS 1208 edition 1 version 1
ICS:: 67.220.10

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Описание (английский):

Specifies a method for quantitative determination consisting in washing the product with chloroform, examining the washings for heavy filth and sand, washing the product with water and agitating it with light petroleum. After the light filth has collected at the interface between the liquids after separation, it is transferred to a filter paper and microscopically examined for contaminants.

Abstract

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Overview

ISO 1208:1982 - Spices and condiments - Determination of filth specifies a laboratory method for the quantitative detection and separation of filth in spices and condiments. The procedure distinguishes between heavy filth (mineral matter such as sand and soil) and light filth (matter of animal origin such as insect fragments and rodent hairs). The method uses solvent washings (notably chloroform and light petroleum), optional enzymatic digestion (pancreatin), liquid‑liquid separation, filtration and microscopic examination to identify and quantify contaminants.

Key topics and technical requirements

Scope: Applicable to most spices and condiments; intended for ground products and for use in disputes or data collection where hand‑lens inspection is inadequate.

Filth definition: Mineral matter (sand, soil) and animal origin (insect fragments, rodent hairs/excreta) separated under specified conditions.

Solvents & reagents:

Chloroform (or chloroform/carbon tetrachloride mixtures if required)
Light petroleum (boiling ranges referenced in the standard)
Distilled or equivalent purity water
Pancreatin solution (optional enzymatic digestion to remove starch/protein)
Trisodium orthophosphate and formaldehyde (used in digestion/processing)

Apparatus: Wildman trap flask (for liquid separation), Buchner funnel, ashless filter paper, tared crucible, oven, and stereoscopic microscope or binocular magnifier.

Procedure highlights:

Preliminary removal of volatile oil/fat with light petroleum when needed
Chloroform washings to free heavy filth and sand
Water wash and agitation with light petroleum to concentrate light filth at the liquid interface
Transfer of the light filth layer to filter paper, drying and microscopic examination to count and identify contaminants

Results expression:

Heavy filth (mineral) reported as percentage by mass
Light filth items can be recorded as counts per standard test portion (e.g., per 25 g)

Practical applications

Routine quality control and contamination monitoring in spice processing and packaging

Regulatory compliance testing for import/export inspections and public health surveillance

Forensic and dispute resolution analyses where precise quantification of insect fragments, rodent hairs or sand is required

Validation and comparison of supplier lots and finished product acceptance testing

Related standards

ISO 948 - Spices and condiments - Sampling (referenced in ISO 1208:1982)

Other ISO standards that specify product requirements for individual spices and condiments (consult relevant product‑specific ISO documents)

Keywords: ISO 1208:1982, determination of filth, spices and condiments, filth in spices, chloroform wash, light petroleum, pancreatin digestion, microscopic examination, food safety testing.

ISO 1208:1982 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

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