红宝石滤波
Rubies (both genuine and synthetic) appear brilliant red under the filter. Synthetic blue spinel appear yellow-orange or pink while aquamarine and sapphires appear green or green-grey.
If you want to know more products, please visit our website www (dot) .
在线联系供应商
Other supplier products
| 光纤连接清洁器 ST2-001 | Model: ST2-001 Description: Fiber optic connector cleaners utilize a specially formulated dry cloth for thorough and efficient cleaning of fibe... | |
| 0-32% 糖度啤酒酿造折射仪RSG-100ATC | This hand-held optical refractometer measures the density of sugars in the solution and gives you an instant gravity readings at any point during t... | |
| 0~32% 的糖度折射仪 RHB-32ATC | Brix Refractometer is developed for working with sugar related liquids such as fruit juice, soft-drinks, wine, and honey to help monitor and contro... | |
| 光纤显微镜CL-200 | The CL- Series Fiber Microscope utilizes a white LED for coaxial illumination. Light is introduced into the optical path (axis) so that it comes o... | |
| bechn型偏光镜 | Polariscopes are used to quickly and easily check if gemstones are single or double refracting. It Is very useful in identifying Moissanite and de... |
Same products
| Petroleum and Natural Gas Industry Vacuum Gauges -60kpa | 卖方: Greentech Industry (Jinan) Co., Ltd | 1.High-performance and robust design: The High-Pressure -60kpa Vacuum Gauges Electric AC Blade Bl... | |
| Optical Brightener OB-1 (OBA 393) | 卖方: Jinan Ogilvy Chemical Co., Ltd | Chemical Name: 2-[(Ethylsulfanyl)methyl]phenyl methylcarbamateC.I.: 393CAS: 1533-45-5Molucular Fo... | |
| PH-A6防水笔式高精度酸碱度/ 温度计 | 卖方: 科立龙电子股份有限公司 | 特点 基于微处理器的快速准确显示-新的坚固耐用的人体工程学设计-外观时尚,携带方便 大屏幕背光,清晰显示,同时显示温度带自动温度补偿 主机防水等级IP65 电池电量缺电指示 自动关机;使用... | |
| PH-A8防水笔式土壤PH计 | 卖方: 科立龙电子股份有限公司 | 大屏幕背光,清晰显示,同时显示温度带自动温度补偿 主机防水等级IP65 两点按键校准,自动识别pH标准缓冲液;自动电源关闭,有效节省电池能耗。 两节七号大容量供电。适用于土壤、面团等。 ... | |
| TH021W 物联网温湿度控制器 | 卖方: 科立龙电子股份有限公司 | 产品说明: 本电子温控器可用于仓储、宠物、养殖、栽培等各种温湿度控制场合,比如给温室、冬季花园加温或降温,以及水族馆水温监控、育种土壤的温控。操作简便,可与任何电热垫或其它加热或冷却设备连... |












