Molybdenum Inspection Standards
- Details
- Category: Molybdenum knowledge
- Published on 06 September 2013
- Written by 陈桂兰
- Hits: 598
Ferro Molybdenum is a statutory inspection goods, and thus has a strict inspection standards.
(1) Quality inspection and acceptance. Product quality inspection and acceptance should meet GB/T3650-95 "inspection, packing, storage, marking and certification of the general provisions" requirements.
(2) Group batches. The furnace for a number of products to a delivery or agreed upon by both parties approved by the furnace group when each batch of products in the highest or lowest average sample containing molybdenum and molybdenum content shall not exceed 3% of the difference.
(3) Sampling. To take samples for chemical analysis shall be GB/T4010-94 "alloy samples for chemical analysis and preparation" to.
(4) The sample preparation. Preparation of samples for chemical analysis by GB/T4010-94 "alloy samples for chemical analysis and preparation" to.
(5) Methods for chemical analysis. Corresponding elements tested according to the following criteria: GB5059? 1-85 8 - Hydroxyquinoline gravimetric determination of molybdenum content; GB5059.2-85 malachite green spectrophotometric determination of antimony content; GB5059.3-85 atomic absorption spectrophotometry copper content; GB5059.4-88 polarographic determination of tin content; GB5059.5-86 gravimetric determination of silicon content; GB5059.6-86 molybdenum blue photometric determination of phosphorus content; GB5059.7-88 infrared absorption method for the determination of carbon content ; GB5059.8-88 coulometric method for the determination of carbon content; GB5059.9-88 infrared absorption method for determination of sulfur content; GB5059.10-88 combustion titration Determination of sulfur content.
More molybdenum product: http://www.molybdenum.com.cn
Tel: 0592-5129696 Fax：0592-5129797
E-mail:
This email address is being protected from spambots. You need JavaScript enabled to view it.
Tungsten & Molybdenum Information Bank: http://i.chinatungsten.com
Tungsten News & Tungsten Prices, 3G Version: http://3g.chinatungsten.com
Tungsten News & Tungsten Price: http://www.chinatungsten.com
sales@chinatungsten.com