推荐产品
product name
Trizma ® 碱, puriss. p.a., buffer substance, ≥99.5%
描述
aminopeptidase substrate
等級
puriss. p.a.
化驗
≥99.5%
形狀
crystalline
雜質
≤0.0005% heavy metals (as Pb)
≤0.5% water (Karl Fischer)
燃燒殘留物
≤0.05% (as SO4)
顏色
white
pH值
10.3-10.8 (0.1 M)
有用的pH值範圍
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
168-172 °C
溶解度
water: soluble (678 g/l at 20 °C)
負離子痕跡
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg
正離子痕跡
Fe: ≤5 mg/kg
SMILES 字串
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI 密鑰
LENZDBCJOHFCAS-UHFFFAOYSA-N
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其他說明
所有缓冲液的 pH 值都取决于温度和浓度。Tris 缓冲液，温度每降低 1°C，pH 值增加约 0.03 个单位，每稀释十倍 pH 值降低0.03-0.05 个单位。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
法律資訊
Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
dust mask type N95 (US), Eyeshields, Gloves
其他客户在看
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