Certification of Nondestructive Testing Personnel (Industrial Ultrasonic
Method)
Scope
1.1 This standard provides recommended course guidelines for the minimum essential training of, and a procedure for the certification of three levels of personnel to perform industrial ultrasonics according to generally accepted and recognized procedures and techniques.
1.2 Such certification shall provide recognition of the qualifications and competence of the three levels of…
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Separation by column chromatog...
The determination of orthophosphate is not possible if the content is lower than 0.1 % (m/m). Tetrametaphosphates and pentametaphosphates are not usually present in commercial products. Specifies the absorption of the phosphate anions on an anionic ion-exchange resin. Elution with potassium chloride solutions of increasing concentrations. Calculation of the P2 O5 content in the different eluate…
Condensed phosphates for industrial use (including foodstuffs) — Determination of oxides of nitrogen...
Applicable to products having contents, expressed in nitrogen, of 2 mg/kg or more. Oxidation of nitrogen(III) of a test portion to nitrogen(V) by potassium permanganate. Reaction of nitrogen(V) with 3,4-xylenol under specified conditions to form a nitrate derivative. Distillation of the nitrate derivative and absorption in a sodium hydroxide solution. Spectrophotometric measurement of the yellow…
Specifies requirements for two grades. Grade 1 (synthesis grade) is a high quality grade normally required only for the use as a chemical feedstock. Grade 2 (ordinary grade) is suitable for most normal commercial uses. The requirements are given in a table.
Chemical products for industrial use — Sampling — Vocabulary
Defines, in English and french, the terms most frequently used classifying them in the following groups: General terms, hierarchy of sampling terms, terms related to taking a sample, and terms related to the statistics of sampling.
