China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 16100-1995 Workplace air--Determination of aniline--Naphthyl ethylenediamine dihydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 16076-1995 Workplace air--Determination of epichlorohydrin--Direct injection gas chromatographic method

    China National - YD Standards
    GB/T 16057-1995 Workplace air--Determination of formaldehyde--3-Methyl-2-benzothiazolinone hydrazone hydrochloride(MBTH) spectrophotometric method

    China National - YD Standards
    GB/T 16033-1995 Workplace air--Determination of hydrogen cyanide and cyanides--Sodium isonicotinate-sodium barbiturate spectrophotometric method

    China National - YD Standards
    GB/T 16032-1995 Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 16030-1995 Workplace air--Determination of hydrogen fluoride and fluorides--Ion selective electrode method

    China National - YD Standards
    GB/T 16027-1995 Workplace air--Determination of hydrogen sulfide--Colorimetric method

    China National - YD Standards
    GB/T 16025-1995 Workplace air--Determination of sulfur dioxide--Pararo-saniline hydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 16024-1995 Workplace air--Determination of ozone--Eugenol-pararo-saniline hydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 667-1995 Chemical reagent--Zinc nitrate hexahydrate

    China National - YD Standards
    GB/T 15901-1995 Chemical reagent--Copper(Άς)chloride dihydrate

    China National - YD Standards
    GB/T 15899-1995 Chemical reagent--Manganese sulfate monohydrate

    China National - YD Standards
    GB/T 4548-1995 Test method and classification for hydrolytic resistance of the interior surfaces of glass containers

    China National - YD Standards
    GB/T 15728-1995 Glass--Resistance to attack by a boiling hydrochloric acid--gravimetric method of test and classification

    China National - YD Standards
    GB/T 15665-1995 Pulses--Determination of glycosidic hydrocyanic acid

    China National - YD Standards
    GB/T 4128-1995 Acoustics--Standard hydrophone

    China National - YD Standards
    GB/T 15611-1995 Acoustics--Calibration of high frequency hydrophone

    China National - YD Standards
    GB/T 15560-1995 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids

    China National - YD Standards
    GB/T 15555.5-1995 Solid waste--Determination of total chromium--1£¬5-Diphenylcarbohydrazide spectrophotometric method

    China National - YD Standards
    GB/T 15555.4-1995 Solid waste--Determination of chromium(VI)--1£¬5-Diphenylcarbohydrazide spectrophotometric method

    China National - YD Standards
    GB/T 15516-1995 Air quality--Determination offormaldehyde--Acetylacetone spectrophotometric method

    China National - YD Standards
    GB/T 15507-1995 Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method

    China National - YD Standards
    GB/T 15502-1995 Air quality--Determination of aniline--N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 15501-1995 Air quality--Determination of nitrobenzene(mononitro and dinitro-compound)--Reduction by zinc-N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method

    China National - YD Standards
    GB/T 15263-1994 Ambient air--Determination of total hydrocarbons--Gas chromatographic method

    China National - YD Standards
    GB/T 15262-1994 Ambient air--Determination of sulfur dioxide--Formaldehyde absorbing-pararosaniline spectrophotometry

    China National - YD Standards
    GB/T 15242.4-1994 Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications of bearing rings--Dimensions and tolerances of housings

    China National - YD Standards
    GB/T 15242.3-1994 Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications of Co-axial seals--Dimensions and tolerances of housings

    China National - YD Standards
    GB/T 15242.2-1994 Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications of bearing rings--Dimensions and tolerances

    China National - YD Standards
    GB/T 15242.1-1994 Hydraulic fluidpower--Cylinder rod and piston seals for reciprocating applications of co-axial seals--Dimensions and tolerances

    China National - YD Standards

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