Water quality. Determination of phenol index by flow analysis (FIA and CFA)1 Scope This International Standard specifies two methods for the determination of the phenol index in waters of different origin (such as ground waters, surface waters, seep waters, and waste waters) in mass concentrations of 0,01 mg l to 1 mg l (in the undiluted sample). In particular cases, the range of application may be adapted by varying the operating conditions. Clause 3 describes the determination of phenol index (without distillation) after

—     low alloyed ferritic spheroidal graphite cast irons which are specified in BS EN 16124 [8]

IEC 61508 series discusses functional safety of electrical/electronic/programmable electronic safety-related systems

BS EN 61508-5 explains the objectives and requirements that should be taken into account when it comes to the management of functional safety

not normative

of door leaves placed in successive uniform climates

BS EN 13126-16 on hardware for lift and slide windows is useful for:

Chemical composition was changed for the following grades: austenitic grade 1

• polyphase transformers rated at less than 15 kVA

Audio technicians

Annex F (informative) Calculation of theoretical carbon dioxide (ThCO2) and theoretical methane (ThCH4) production

oval or flat section

Button head screws can provide a more visually aesthetic appearance than other fasteners