BS 6068-2.18:1986 PDF

What is BS 6068-2.18 — Physical, chemical, and biochemical methods about? BS 6068-2.18 specifies three methods for the determination of easily liberatable cyanide (see clause 2) in water. The methods described in BS 6068-2.18 apply to water containing less than 100 mg of cyanide per liter, but higher concentrations may be determined by suitable dilution of the sample. The methods described in BS 6068-2.18 and corresponding ranges of cyanide contents for which they are suitable are as follows:

Photometric method with pyridine/barbituric acid: applicable when the absorption solution contains 0,002 to 0,025 mg of cyanide, corresponding to 0,02 to 0,25 mg/l in a 100 ml aliquot portion of the undiluted sample Titrimetric method using the Tyndall effect: applicable when the absorption solution contains > 0,005 mg of cyanide, corresponding to > 0,05 mg/l in a 100 ml aliquot portion of the undiluted sample Titrimetric method using an indicator, applicable when the absorption solution contains > 0,05 mg of cyanide, corresponding to > 0,5 mg/l in a 100 ml aliquot portion of the undiluted sample

Who is BS 6068-2.18 — Physical, chemical, and biochemical methods for? BS 6068-2.18 on the Physical, chemical, and biochemical methods are useful for:

Wastewater collecting systems Wastewa...