| 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 |