01262nam a2200229 a 4500 TVCDKTCT4867 Thư viện trường Cao đẳng Kỹ thuật Cao Thắng 20060420000000 060420 Thư viện Trường CĐ Kỹ Thuật Cao Thắng RG_1 #1 eb0 i1 vie 389.664 8 / T309C-r Tiêu chuẩn Việt Nam: Rau, quả và các sản phẩm rau quả - xác định hàm lượng Axit Ascorbic - Phần 1: phương pháp chuẩn: TCVN 6427-1 : 1998 Fruits, vegetables and derived products - Determination of ascorbic acid - part 1: reference methods In lần thứ 1 H. : ADBS , 1998 7tr. ; 27cm Tiêu chuẩn này hoàn toàn tương đương với ISO 6557/1 : 1986 Qui định phương pháp chuẩn để xác định hàm lượng axit ascorbic và dehidroascorbic được kết hợp trong rau quả và sản phẩm rau quả, bằng cách dùng phổ kế huỳnh quang phân tử. Thực phẩm--Rau quả--Phương pháp thử Tiêu chuẩn kỹ thuật