GB 5491-1985: [GB/T 5491-1985] Inspection of grain and oilseeds. Methods for sampling and sample reduction

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Scope

1.1 Sampler. also known as grain probe. There are two types. packaging and
bulk packaging.
1.1.1 Packaging sampler. three types.
1.1.1 Packaging sampler. three types.
1.1.1.1 Large grain sampler. the overlength is 75cm; the probe length is 55cm;
the mouth width is 1.5~1.8cm; the head is pointed or duckbill; the maximum
outer diameter is 1.7~2.2cm.
1.1.1.2 Medium and small grain sampler. the overlength is 70cm; the probe
length is 45cm; the mouth width is about 1cm; the head is pointed; the maximum
outer diameter is about 1.5cm.
1.1.1.3 Powdered grain sampler. the overlength is about 55cm; the probe length
is about 35cm; the mouth width is 0.6~0.7cm; the head is pointed; the maximum
outer diameter is about 1cm.
1.1.2 Bulk packaging sampler. three types.
1.1.2.1 Thin tube sampler. the overlength is 1m or 2m; with three holes, each
hole mouth length is about 15cm; the mouth width is about 1.5cm; the head
length is about 7cm; the outer diameter is about 2.2cm.
1.1.2.2 Thick tube sampler. the overlength is 1m or 2m; with three holes, each
hole mouth length is about 15cm; the mouth width is about 1.8cm; the head
length is about 7cm; the outer diameter is about 2.8cm.
1.1.2.3 Electric suction sampler (inapplicable to impurity inspection).
1.2 Sampling shovel. mainly used for sampling of flowing grain, oilseeds or
upside-down sampling.
1.3 Container. The conditions for the sample container are. good sealing
performance; clean and insect-free; no leakage and no pollution. The common
containers are sample tube, sample bag, sample bottle (ground mouth jar).

Basic Data

Standard ID	GB 5491-1985 (GB5491-1985)
Description (Translated English)	[GB/T 5491-1985] Inspection of grain and oilseeds. Methods for sampling and sample reduction
Sector / Industry	National Standard
Classification of Chinese Standard	X10
Classification of International Standard	67.04
Word Count Estimation	7,719
Date of Issue	11/2/1985
Date of Implementation	7/1/1986
Issuing agency(ies)	National Bureau of Standards
Summary	This standard applies to commodity grain, oilseeds quality inspection.