Caprolactam for industrial use — Determination of crystallizing point
A sample of liquid caprolactam, or a liquefied sample of crystalline caprolactam is cooled and the temperature at which crystallization occurs is observed.
Gives general instructions and specifies methods od analysis. The methods to be used are determination of density at 20 °C, determination ofdry residue after evaporation on a water bath, measurement of colour, determination of distillation yield, determination of water content, detection of the alkalinity or acidity to phenolphthalein, spectrometric detection of content of carbonyl compounds in…
Textile machinery and accessories — Dyeing and finishing machinery — Vocabulary for stenters
Gives an illustrated nomenclature of machines known as stenters, used in the textile finishing industry (bleaching, dyeing, printing and finishing), for the thermal treatment of fabric with maintainance of the width and adjustment of latter, if necessary. The terms used are placed under the following headings: Types of stenter; Machine features; Designation of side and indication of dimensions;…
Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample
Specifies the apparatus and the procedure to be used. The procedure consists in removal of a sample into stainless steel cylinder, which has previously been cleaned, dried and evacuated and filling of the sampling cylinder with the stipulated quantity that is permissible with regard to safety. The filling shall never exceed 75 % of the capacity of the cylinder at ambient temperature.
1. Scope
1.1 This Standard covers decorative and industrial plywood made primarily with hardwood veneer faces. It also includes decorative plywood made with certain softwood veneer faces.
1.2 This Standard provides minimum requirements in terms of construction, sizes, grades, sanding, and glue bond.
1.3 This Standard also applies to hardwood plywood wall panelling in all…
