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ISO 3733 Petroleum products and bituminous materials - Determination of water -
ISO 3733 Petroleum products and bituminous materials - Determination of water - Distillation method10 Expressions of resultsReport the result as the water content to the nearest 0.05 % if the 2 ml trap has been used, and to the nearest 0.1 % if the 10 ml or 25 ml traps have been used with a 100 ml or ...
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ISO 3733 Petroleum products and bituminous materials - Determination of water -
ISO 3733 Petroleum products and bituminous materials - Determination of water - Distillation method8 Procedure8.1 Homogenize the sample in accordance with 7.3 before taking the test portion.8.2 Measure the required test portion to an accuracy of +/- 1 % and transfer it to the still in accordance with ...
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ISO 3733 Petroleum products and bituminous materials - Determination of water -
ISO 3733 Petroleum products and bituminous materials - Determination of water - Distillation method6 Verification and recovery test6.1 GeneralBefore initial use, verify the accuracy of the trap in accordance with 6.2. Before using the apparatus, carry out a recovery test in accordance with 6.3.6.2 VerificationBefore ...
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ISO 3733 Petroleum products and bituminous materials - Determination of water -
ISO 3733 Petroleum products and bituminous materials - Determination of water - Distillation method4 ReagentsNOTE For the purposes of this International Standard, the expression "% (V/V)" is used to represent the volume fraction of a material.A solvent-carrier liquid appropriate to the materials being ...
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ISO 3733 Petroleum products and bituminous materials - Determination of water -
ISO 3733 Petroleum products and bituminous materials - Determination of water - Distillation methodWARNING - The use of this International Standard may involve hazardous materials, operations and equipment. This International Standard does not purport to address all of the safety problems associated ...
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ISO 3171 Petroleum liquids - Automatic pipeline sampling
ISO 3171 Petroleum liquids - Automatic pipeline sampling16 Estimation of overall sampling system uncertainty16.1 IntroductionThis clause provides a mathematical procedure for estimating the overall uncertainty of the sampling system, taking into account the uncertainty of each element of the sampling ...
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ISO 3171 Petroleum liquids - Automatic pipeline sampling
ISO 3171 Petroleum liquids - Automatic pipeline sampling15 Proving the sampling system15.1 IntroductionA field test to prove the sampling system should be carried out after a new automatic sampler has been installed. The following procedure is intended to test the total sample system by injecting a volume ...
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ISO 3171 Petroleum liquids - Automatic pipeline sampling
ISO 3171 Petroleum liquids - Automatic pipeline sampling14 Opemting procedures14.1 General precautions14.1.1 It is important that the principles of design given in this International Standard should be met by the selected automatic sampler and that it should be correctly installed and operated.14.1.2 ...
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ISO 3171 Petroleum liquids - Automatic pipeline sampling
ISO 3171 Petroleum liquids - Automatic pipeline sampling13 Safety precautions13.1 It is essential that the safety precautions set out in this clause should be applied rigorously as the minimum necessary for safe operation. These precautions should be used in conjunction with the appropriate national ...
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ISO 3171 Petroleum liquids - Automatic pipeline sampling
ISO 3171 Petroleum liquids - Automatic pipeline sampling12 Sample handling12.1 General12.1.1 The method of handling samples between the point at which they are extracted or drawn and the laboratory test bench or sample storage are devised to ensure that the nature and integrity of the sample are maintained.12.1.2 ...
