GBW10017-生物成分分析標(biāo)準(zhǔn)物質(zhì)——奶粉
【保存條件】-10˚C下保存
【使用注意事項(xiàng)】用后應(yīng)立即蓋緊、用不透光的復(fù)合塑料袋密封包裝后處于燥器中于陰涼干燥處避光保存,保存室溫應(yīng)<26˚C。如發(fā)現(xiàn)霉變應(yīng)停止使用。有效使用期為1年。最小取樣量為0.2克。
【特征形態(tài)】固態(tài)
【基體】奶粉
【說(shuō)明】高密聚乙烯塑料瓶發(fā)行包裝
【主要分析方法】ICP-MS、ICP-AES、INAA
組分 | 標(biāo)準(zhǔn)值 | 標(biāo)準(zhǔn)偏差 | 單位 |
Al | (0.003) | (10-2) | |
As | 0.031 | 0.007 | (10-6) |
B | 1.56 | 0.22 | (10-6) |
Ba | 1.0 | 0.3 | (10-6) |
Bi | (1.2) | (10-9) | |
Br | 5.7 | 1.4 | (10-6) |
Ca | 0.94 | 0.03 | (10-2) |
Ce | (0.004) | (10-6) | |
Cl | 0.81 | 0.09 | (10-2) |
Co | 0.030 | 0.007 | (10-6) |
Cr | 0.39 | 0.04 | (10-6) |
Cs | 0.034 | 0.005 | (10-6) |
Cu | 0.51 | 0.13 | (10-6) |
Dy | (0.45) | (10-9) | |
Er | (0.16) | (10-9) | |
Eu | (0.4) | (10-9) | |
Fe | 7.8 | 1.3 | (10-6) |
Hg | (2.2) | (10-9) | |
Ho | (0.07) | (10-9) | |
I | 1.12 | 0.23 | (10-6) |
K | 1.25 | 0.05 | (10-2) |
La | (0.0025) | (10-6) | |
Li | (0.04) | (10-6) | |
Mg | 0.096 | 0.007 | (10-2) |
Mn | 0.51 | 0.17 | (10-6) |
Mo | 0.28 | 0.03 | (10-6) |
N | 3.8 | 0.2 | (10-2) |
Na | 0.47 | 0.03 | (10-2) |
Nb | (0.008) | (10-6) | |
Nd | (0.002) | (10-6) | |
Ni | (0.18) | (10-6) | |
P | 0.76 | 0.03 | (10-2) |
Pb | 0.07 | 0.02 | (10-6) |
Pr | (0.7) | (10-9) | |
Rb | 11.6 | 0.7 | (10-6) |
S | 0.25 | 0.02 | (10-2) |
Sb | (0.006) | (10-6) | |
Sc | (2.8) | (10-9) | |
Se | 0.11 | 0.03 | (10-6) |
Sm | (0.5) | (10-9) | |
Sr | 5.3 | 0.6 | (10-9) |
Tb | (0.7) | (10-9) | |
Th | (2.8) | (10-9) | |
Tl | (0.9) | (10-9) | |
U | (3) | (10-9) | |
V | (0.06) | (10-6) | |
Y | 0.008 | 0.003 | (10-6) |
Zn | 34 | 2 | (10-6) |
灰分 | (6.2) | (10-2) |