Publisher : SN

NS 4790-4:1989 PDF

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediment and sewage sludge — Membrane filter technique

Document status: Active

NS 4790-5:1989 PDF

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Spread plate technique

Document status: Active

NS 4790-6:1989 PDF

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Pour plate technique

Document status: Active

NS 4790-7:1989 PDF

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — MPN-technique

Document status: Active

NS 4791:1990 PDF

Water analysis — Heterotropic plate court — Pour plate technique

Document status: Active

NS 4792:1990 PDF

Water analysis — Thermotolerant coliform bacteria and presumptive E.coli — Membrane filter method

Document status: Active

NS 4793:1990 PDF

Water analysis — Fecal streptococci — Colony counting method

Document status: Active

NS 4796:1987 PDF

Water analysis — Determination of total cyanide (ISO 6703-1:1984)

Document status: Active

NS 4797:1987 PDF

Water analysis — Determination of easily liberatable cyanide (ISO 6703-2:1984)

Document status: Active

NS 4797.T1:1988 PDF

Amendment to NS 4797, 1.edition Oct. 1987 — Water analysis — Determination of easily liberatable cyanide

Document status: Active