Fluorescent Brightener 207 Fluorescent Material Identification

Fluorescent Brightener ] fluorescent material identification diamond ring ring care Material Identification Method One: sensory testing the quality of wedding ring .
Look diamond color [ 1 ] : gold is yellow , K gold yellow , red , and white multicolor, while imitation gold PVC heat stabilizer for profile  products , mostly copper alloy, lighter in color . Weigh weight : Gold accounted for 19.3g/cm3 considerably higher than the proportion of imitation gold products , such as a gold ring is 5 grams, while the same size imitation gold products generally less than 3 grams.
Diamond ring ring care Material Identification Method Two: Check mark.
Origin should play with precious metal jewelry , manufacturers , materials and content mark, unimpressed product is substandard products. Inspection agencies such as quality problems can be  carbon black powder detected according to Mark to give judgment . Consumers want to buy according to their own needs imprint brands and different gold gold jewelry.
Diamond ring ring care Material Identification Method three : Professional bodies have been identified .
If you need to know exactly the content of precious metal jewelry or a quality dispute should go to the jewelry quality inspection agency , the use of physical or chemical analysis methods were identified. Need to check carefully when buying jewelry inlaid stone , welding is solid without fracture , glitches , such as trachoma . Diamond ring ring care Material Identification Method four : Platinum 950 Platinum 900 difference.
Platinum abbreviated PT, we basically know PT950, generally platinum oxidized polyehtylene  ring is used for this type of material means any material containing 95% platinum jewelry components , and the remaining 5% for other precious metals, imprint of Pt950. Relative T900 containing 90% platinum jewelry components , and the remaining 10% for other precious metals, imprint of Pt900. More hard suited diamonds PT900 , PT950 relatively pure and soft , higher purity , more preservation. Most are Pt900 platinum setting , but there are a few vendors with Pt950 production setting.