中文字幕日本最新乱码视频_午夜成人鲁丝片午夜精品_乱人伦中文无码视频在线观看_国产精品无码专区第一页

北京博研科創(chuàng)生物技術(shù)有限公司旗下國(guó)家標(biāo)準(zhǔn)物質(zhì)樣品信息網(wǎng)www.gbw600.cn。主要銷售國(guó)產(chǎn)標(biāo)準(zhǔn)物質(zhì)、進(jìn)口標(biāo)準(zhǔn)品、藥典標(biāo)準(zhǔn)品以及各類穩(wěn)定同位素等標(biāo)準(zhǔn)品。代理美國(guó)NIST標(biāo)準(zhǔn)品。美國(guó)NIST標(biāo)準(zhǔn)品 SRM 1877 Beryllium Oxide Powder鈹氧化物粉 20g

SRM 1829 Alcohols in Reference Fuels參考燃料中的醇 set (6)
SRM 1830 Soda Lime Float Glass鈉鈣浮法玻璃 3 plaets
SRM 1831 Soda Lime Sheet Glass鈉鈣玻璃 3 plaets
SRM 1834 Fused Simulated Ore for X-ray Fluorescence Spectrometry X射線熒光光譜法的熔融模擬礦石 disk
SRM 1835 Borate Ore 硼礦 60g
SRM 1837 Methanol and Butanol (in Gasoline)汽油中甲醇和丁醇 5x20mL
SRM 1838 Ethanol (in Gasoline)汽油中乙醇 5x20mL
SRM 1839 Methanol (in Gasoline)汽油中甲醇 5x20mL
SRM 1845a Whole Egg Powde全蛋粉 5 packets x 10g each
SRM 1847 Ethanol-Water Solutions乙醇-水溶液 6x10mL
SRM 1848 Lubricating Oil Additive Package潤(rùn)滑油添加劑 100g
SRM 1849a Infant/Adult Nutritional Formula嬰兒/成人營(yíng)養(yǎng)配方 10 packets x 10g each
SRM 1857 Tool Steel for Abrasive Wear磨料磨損工具鋼 2 blocks
美國(guó)NIST標(biāo)準(zhǔn)品 SRM 1877 Beryllium Oxide Powder鈹氧化物粉 20g
SRM 1878b Respirable Alpha Quartz (Quantitative X-Ray Powder Diffraction Standard)可吸入石英(定量X射線粉末衍射標(biāo)準(zhǔn)) 5g
SRM 1879a Respirable Cristobalite可吸入石英 5g
SRM 1880b Portland Cement 硅酸鹽水泥 4 vials x 5g
SRM 1881a Portland Cement硅酸鹽水泥 4 vials x 5g
SRM 1882a Calcium Aluminate Cement鋁酸鈣水泥 4x5g
SRM 1883a Calcium Aluminate Cement鋁酸鈣水泥 4x5g
SRM 1884b Portland Cement硅酸鹽水泥 5 vials x 4.5g
SRM 1885b Portland Cement硅酸鹽水泥 5 vials x 5g
SRM 1886a Portland Cement (White Portland Cement with Low Iron)波特蘭水泥(白色波特蘭水泥用低鐵) 4 vials x 5g
SRM 1887b Portland Cement 硅酸鹽水泥 5 vials x 4g each
SRM 1888b Portland Cement硅酸鹽水泥 4 vials x 5g
SRM 1889a Portland Cement (Blended with Limestone)波特蘭水泥(摻入石灰石) 4 vials x 5g

會(huì)員登錄

收藏該商鋪

提示