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This BS EN specifies procedures for the testing of the fastness of fluorescent whitened paper and board intended to come into contact with foodstuffs. Two procedures are given, procedure A for contact of long duration e.

For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. Paper and board — Determination of capillary rise — Klemm method 3 Terms and definitions For the purposes of this document, the following term and definition applies.

The staining of the glass fibre paper is evaluated by comparison with a series of fluorescent whitened comparison papers. The test fluids used are distilled or deionised water, dilute acetic acid, saliva simulant and olive oil depending on the type of food contact expected.

The glass fibre papers shall meet the following conditions: a grammage of 70 gim2 b capillary rise of mm to mm in 10 mm in accordance with ISO ; 7 Sampling Sampling shall be carried out in accordance with EN ISO Paper and board intended to come into contact with foodstuffs — Determination of the fastness of fluorescent whitened paper and board. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies.

EN ISO The staining of the glass fibre paper is evaluated by comparison with a series of fluorescent whitened comparison papers. The test fluids used are distilled or deionized water.

Deviation of this absorbency makes adjustment of the amount of fluorescent whitening agent used in iLl necessary. The correction shall be made in line with the absorbency found.

Unstained glass fibre papers saturated with olive oil are not dried. Related Information Download. Paper and board. Methods of test for petroleum and its products — BS BS EN pdf download. Corrosion protection of metals — Electrodeposited coatings of zinc with supplementary treatment on iron or steel.

This BS EN specifies requirements for electrodeposited coatings of zinc on iron or steel witt supplementary Methods of test for petroleum and its products — BS Bitumen and bituminous binders — Determination of particle polarity of bitumen emulsions Identical with IP This BS EN specifies a method