产品说明
一般描述
Certipur® certified secondary standard reference buffers are used to precisely calibrate and monitor pH measurement instruments and buffer solutions. They are quality controlled and qualified in our ISO/IEC 17025 and 17034 accredited calibration laboratories against certified primary standard reference materials (SRM) in compliance with DIN 19266, IUPAC, NIST, Ph. Eur and USP. Certipur® reference materials offer maximum accuracy, reliability and convenience and help avoid costly repeat analyses.
应用
di-Sodium tetraborate decahydrate [pH(S)=9.18
特点和优势
分析说明
pH-value (25 °C): 9.180 - 9.186
Identity: passes test
法律信息
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
经验(实验)分子式 | B4Na2O7 · 10H2O |
分子量 | 381.37 |
MDL编号 | MFCD00149193 |
EC索引号 | 215-540-4 |
产品性质
质量水平 | 300 |
等级 | certified reference material |
agency | complies with DIN 19266 |
蒸汽压 | 0.213 hPa ( 20 ℃) |
产品线 | Certipur® |
效能 | 2660 mg/kg LD50, oral (Rat) >2000 mg/kg LD50, skin (Rabbit) |
pH值(酸碱度) | 9.2 (20 ℃, 47 g/L in H2O) |
mp | 75 ℃ (Elimination of water of crystallisation) |
溶解性 | 49.74 g/L |
密度 | 1.72 g/cm3 at 20 ℃ |
堆积密度 | 750 kg/m3 |
application(s) | environmental food and beverages general analytical industrial qc pharmaceutical |
格式 | neat |
储存温度 | 15-25℃ |
InChI | 1S/B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;; |
InChI key | OJPFLODMGUZMKD-UHFFFAOYSA-N |
安全信息
象形图 | |
警示用语: | Danger |
危险声明 | H319 - H360FD |
预防措施声明 | P201 - P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 |
危险分类 | Eye Irrit. 2 - Repr. 1B |
储存分类代码 | 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
WGK | WGK 1 |
闪点(F) | Not applicable |
闪点(C) | Not applicable |