BS 4235-1:1972 -
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BS 4235-1:1972 Onwards

Standard Official Title of Standard
BS 4235-1:1972 Specification for metric keys and keyways. Parallel and taper keys
BS 4235-2:1977 Specification for metric keys and keyways. Woodruff keys and keyways
BS 4247-1:1981 Surface materials for use in radioactive areas. Methods of measuring and evaluating the decontamination factor
BS 4247-2:1982 Surface materials for use in radioactive areas. Guide to the selection of materials
BS 4248:2004 Supersulfated cement
BS 4249:1989 Specification for paper and cork/paper jointing
BS 4250:1997 Specification for commercial butane and commercial propane
BS 4254:1983 Specification for two-part polysulphide-based sealants
BS 4255-1:1986 Rubber used in preformed gaskets for weather exclusion from buildings. Specification for non-cellular gaskets
BS 4257:1967 Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment
BS 4258-10:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of oxides of nitrogen content
BS 4258-11:1982 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of lead content (atomic absorption spectrometric method)
BS 4258-12:1982 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Guide to sampling techniques
BS 4258-13:1990 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of soluble sulphate content (potentiometric method)
BS 4258-2:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of iron content
BS 4258-3:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of sulphate content
BS 4258-4:1975 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of fluorine content
BS 4258-5:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of silica content
BS 4258-6:1976 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of arsenic content
BS 4258-7:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method
BS 4258-8:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of calcium content (flame atomic absorption method)
BS 4258-9:1989 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of chloride content
BS 426:1969 Specification for fixed centres for use on machine tools and in other applications
BS 4261:1999 Wood preservation. Vocabulary
BS 4262:1984 Method of specifying the technical quality of coke for use in blast furnaces
BS 4263:1967 Specification for the marking of hatchway beams
BS 4264:1987 Specification for envelopes for commercial, official and professional use
BS 4267-0:1987 Ammonium nitrate. General introduction
BS 4267-1:1988 Ammonium nitrate. Method for determination of ammoniacal nitrogen content
BS 4267-10:1994 Ammonium nitrate. Method for determination of matter soluble in diethyl ether
BS 4267-11:1994 Ammonium nitrate. Method for determination of inorganic matter and grit insoluble in water
BS 4267-2:1988 Ammonium nitrate. Method for determination of total nitrogen content
BS 4267-3:1987 Ammonium nitrate. Method for measurement of pH value
BS 4267-4:1987 Ammonium nitrate. Method for determination of sulphated ash
BS 4267-5:1987 Ammonium nitrate. Method for determination of matter insoluble in water
BS 4267-6:1987 Ammonium nitrate. Method for determination of water content
BS 4267-7:1987 Ammonium nitrate. Methods for determination of nitrite content
BS 4267-8:1987 Ammonium nitrate. Methods for determination of chloride content
BS 4267-9:1987 Ammonium nitrate. Method for determination of sulphate content
BS 4268:1967 Specification for the marking of wooden hatchway covers
BS 4269-2:1991 Dental elastic impression material. Specification for alginate impression material
BS 4272-1:1968 Anaesthetic and analgesic machines. Anaesthetic machines of the on-demand type supplied with nitrous oxide and oxygen from separate containers
BS 4272-2:1996 Anaesthetic and analgesic machines. Specification for intermittent (demand) flow analgesic machines for use with 50/50% (V/V) nitrous oxide and oxygen
BS 4272-3:1989 Anaesthetic and analgesic machines. Specification for continuous flow anaesthetic machines
BS 4274-1:2003 Visual acuity test types. Test charts for clinical determination of distance visual acuity. Specification
BS 4275:1997 Guide to implementing an effective respiratory protective device programme
BS 4276:1968 Specification for hard metal for wire, bar and tube drawing dies
BS 4277:1968 Glossary of terms used in offset lithographic printing
BS 4278:1984 Specification for eyebolts for lifting purposes
BS 4280:1968 Transliteration of Arabic characters
BS 4284:1981 Specification for dental impression pastes (zinc oxide type)
BS 4285-0:1990 Microbiological examination for dairy purposes. General introduction
BS 4285-1.1:1991 Microbiological examination for dairy purposes. Guide to general procedures. Sampling and preparation of samples
BS 4285-2.1:1984 Microbiological examination for dairy purposes. Methods of general application for enumeration of microorganisms. Enumeration of microorganisms by poured plate technique for colony count
BS 4285-2.3:1984 Microbiological examination for dairy purposes. Methods of general application for enumeration of microorganisms. Enumeration of microorganisms by surface plate technique for colony count
BS 4285-2.5:1989 Microbiological examination for dairy purposes. Methods of general application for enumeration of microorganisms. Enumeration of bacteria by direct microscopic counts
BS 4285-2.6:1984 Microbiological examination for dairy purposes. Methods of general application for enumeration of microorganisms. Enumeration of microorganisms by most probable number technique
BS 4285-3.10.1:1989 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. $7IStaphylococcus aureus.$7R. Enumeration using the colony count technique
BS 4285-3.10.2:1989 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms $7IStaphylococcus aureus$7R. Detection
BS 4285-3.10.3:1989 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. $7IStaphylococcus aureus$7R. Enumeration using the most probable number technique
BS 4285-3.11:1985 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Detection and enumeration of faecal streptococci
BS 4285-3.12:1989 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of $7IBacillus cereus$7R
BS 4285-3.14:1988 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of mesophilic microorganisms
BS 4285-3.15:1993 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Detection of $7IListeria monocytogenes$7R
BS 4285-3.2:1991 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of thermoduric bacteria
BS 4285-3.4.2:1989 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of lipolytic microorganisms. Tributyrin agar method
BS 4285-3.5:1988 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of proteolytic microorganisms
BS 4285-3.6:1986 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of yeasts and moulds
BS 4285-3.7:1987 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Enumeration of coliform bacteria
BS 4285-3.9.1:1987 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Detection of $7ISalmonella$7R. Reference method
BS 4285-3.9.2:1992 Microbiological examination for dairy purposes. Methods for detection and/or enumeration of specific groups of microorganisms. Detection of $7ISalmonella$7R. Screening method using electrical conductance
BS 4285-4:1991 Microbiological examination for dairy purposes. Methods for assessment of hygienic conditions
BS 4285-5.2:1989 Microbiological examination for dairy purposes. Ancillary methods. Methylene blue reduction test for cream and ice cream
BS 4285-5.3:1987 Microbiological examination for dairy purposes. Ancillary methods. Test for inhibitory substances
BS 4289-5:1989 Method for the analysis of oilseeds. Determination of acidity of fat
BS 4289-8:1988 Methods for analysis of oilseeds. Check of the calibration of moisture meters
BS 4290:1989 Method for specifying electroplated coatings of silver and silver alloys for decorative and protective purposes
BS 4292-1:1989 Method for specifying electroplated coatings of gold and gold alloys. Gold and gold alloys for engineering purposes
BS 4292-2:1989 Method for specifying electroplated coatings of gold and gold alloys. Gold and gold alloys for decorative and protective purposes
BS 4293:1983 Specification for residual current-operated circuit-breakers





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