Water quality. Measurement of biochemical parameters. Spectrometric determination of the chlorophyll-a concentration1 Scope 1. 1 This International Standard specifies a method for the determination of the chlorophyll a concentration. The procedure can be applied for phytoplankton in natural surface waters and for testing algal growth in bio assays. Using appropriate sampling it can also be applied to phytobenthic communities (see annex A).

BS EN 62132-2  discusses terms and definitions

substitution with other EIM

What is BS EN 3475-509- Test methods for solderability about

This includes a table which outlines the safety requirements and/or measures by sub-clause

medical treatment

It also specifies the test parameters for the test methods referred to in BS EN 17176‑2

De ≤ 150 mm

You can demonstrate the reliability of your plugs and build trust in their use throughout the aerospace supply chain

By adopting BS EN 2752

1 – Light-emitting diode circuitry

A DC bushing is one that is applied to the valve winding side of a converter transformer

BS 5702-2 describes how and when to apply