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NF G52-017 (07/1976) (R2011) Determination of the resistance of welts to picking (iron wire method).
NF G52-207 (07/1976) (R2011) Leathers and hides. Chemical testing of leather. Calculation of degree of tannage.
NF G52-215 (07/1976) (R2011) Leathers and hides. Chemical testing of leather. Examination for penetration of tannage.
NF M60-103 (07/1976) (R2011) Nuclear energy. Warnings relating to ionizing radiations. Signalling strips for demarcating special zones which can present radiologie risks.
NF G52-216 (07/1976) (R2011) Leathers and hides. Chemical testing of leather. Determination of chromium in soluble substances (spectrophotometric method).
NF T60-303 (06/1976) (R2011) Soaps. Determination of ethanol-insoluble matter.
NF T60-306 (06/1976) (R2011) Soaps. Determination of free caustic alkali.
NF T60-307 (06/1976) (R2011) Soaps. Determination of chlorides. Titrimetric method.
NF T60-305 (06/1976) (R2011) Soaps. Determination of moisture and volatile matter. Oven method and method using azeotropic entrainment.
NF T60-309 (06/1976) (R2011) Soaps. Determination of unsaponifiable and unsaponified matter.
NF T60-312 (06/1976) (R2011) Soaps. Determination of chlorides. Potentiometric method.
NF T60-310 (06/1976) (R2011) Soaps. Determination of glycerol. Titrimetric method.